Home / 784,003.10-1,176,004.65-285,302.30

Finding the Fourth Proportional to 784,003.10, 1,176,004.65 and 285,302.30

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Solution

The fourth proportional to 784,003.10, 1,176,004.65 and 285,302.30 is: 427,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,003.10 : 1,176,004.65 = 285,302.30 : x
  2. Step 2: Convert to fraction form
    784,003.10/1,176,004.65 = 285,302.30/x
  3. Step 3: Cross multiply
    784,003.10x = 1,176,004.65 × 285,302.30
  4. Step 4: Simplify right side
    784,003.10x = 335,516,831,455.70
  5. Step 5: Solve for x
    x = 335,516,831,455.70/784,003.10
  6. Step 6: Final answer
    x = 427,953.45

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Half scale
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Double scale
Find fourth proportional to 784,004.10, 1,176,006.15 and 285,303.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.