Home / 502,669.08-693,452.10-445,366.80

Finding the Fourth Proportional to 502,669.08, 693,452.10 and 445,366.80

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Solution

The fourth proportional to 502,669.08, 693,452.10 and 445,366.80 is: 614,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,669.08 : 693,452.10 = 445,366.80 : x
  2. Step 2: Convert to fraction form
    502,669.08/693,452.10 = 445,366.80/x
  3. Step 3: Cross multiply
    502,669.08x = 693,452.10 × 445,366.80
  4. Step 4: Simplify right side
    502,669.08x = 308,840,542,730.28
  5. Step 5: Solve for x
    x = 308,840,542,730.28/502,669.08
  6. Step 6: Final answer
    x = 614,401.31

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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.