Home / 744,004.10-1,116,006.15-520,055.30

Finding the Fourth Proportional to 744,004.10, 1,116,006.15 and 520,055.30

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Solution

The fourth proportional to 744,004.10, 1,116,006.15 and 520,055.30 is: 780,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,004.10 : 1,116,006.15 = 520,055.30 : x
  2. Step 2: Convert to fraction form
    744,004.10/1,116,006.15 = 520,055.30/x
  3. Step 3: Cross multiply
    744,004.10x = 1,116,006.15 × 520,055.30
  4. Step 4: Simplify right side
    744,004.10x = 580,384,913,140.10
  5. Step 5: Solve for x
    x = 580,384,913,140.10/744,004.10
  6. Step 6: Final answer
    x = 780,082.95

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Half scale
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Double scale
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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.