Home / 771,269.34-1,064,338.34-427,098.45

Finding the Fourth Proportional to 771,269.34, 1,064,338.34 and 427,098.45

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Solution

The fourth proportional to 771,269.34, 1,064,338.34 and 427,098.45 is: 589,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,269.34 : 1,064,338.34 = 427,098.45 : x
  2. Step 2: Convert to fraction form
    771,269.34/1,064,338.34 = 427,098.45/x
  3. Step 3: Cross multiply
    771,269.34x = 1,064,338.34 × 427,098.45
  4. Step 4: Simplify right side
    771,269.34x = 454,577,255,289.57
  5. Step 5: Solve for x
    x = 454,577,255,289.57/771,269.34
  6. Step 6: Final answer
    x = 589,388.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.