Home / 753,684.90-1,131,402.15-454,503.30

Finding the Fourth Proportional to 753,684.90, 1,131,402.15 and 454,503.30

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Solution

The fourth proportional to 753,684.90, 1,131,402.15 and 454,503.30 is: 682,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,684.90 : 1,131,402.15 = 454,503.30 : x
  2. Step 2: Convert to fraction form
    753,684.90/1,131,402.15 = 454,503.30/x
  3. Step 3: Cross multiply
    753,684.90x = 1,131,402.15 × 454,503.30
  4. Step 4: Simplify right side
    753,684.90x = 514,226,010,802.10
  5. Step 5: Solve for x
    x = 514,226,010,802.10/753,684.90
  6. Step 6: Final answer
    x = 682,282.49

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Double scale
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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.