Home / 432,862.30-648,127.05-339,550.30

Finding the Fourth Proportional to 432,862.30, 648,127.05 and 339,550.30

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Solution

The fourth proportional to 432,862.30, 648,127.05 and 339,550.30 is: 508,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,862.30 : 648,127.05 = 339,550.30 : x
  2. Step 2: Convert to fraction form
    432,862.30/648,127.05 = 339,550.30/x
  3. Step 3: Cross multiply
    432,862.30x = 648,127.05 × 339,550.30
  4. Step 4: Simplify right side
    432,862.30x = 220,071,734,265.62
  5. Step 5: Solve for x
    x = 220,071,734,265.62/432,862.30
  6. Step 6: Final answer
    x = 508,410.49

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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.