Home / 642,733.68-886,957.38-370,802.16

Finding the Fourth Proportional to 642,733.68, 886,957.38 and 370,802.16

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Solution

The fourth proportional to 642,733.68, 886,957.38 and 370,802.16 is: 511,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,733.68 : 886,957.38 = 370,802.16 : x
  2. Step 2: Convert to fraction form
    642,733.68/886,957.38 = 370,802.16/x
  3. Step 3: Cross multiply
    642,733.68x = 886,957.38 × 370,802.16
  4. Step 4: Simplify right side
    642,733.68x = 328,885,712,331.94
  5. Step 5: Solve for x
    x = 328,885,712,331.94/642,733.68
  6. Step 6: Final answer
    x = 511,698.27

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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.