Home / 661,263.12-912,553.10-370,939.04

Finding the Fourth Proportional to 661,263.12, 912,553.10 and 370,939.04

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Solution

The fourth proportional to 661,263.12, 912,553.10 and 370,939.04 is: 511,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,263.12 : 912,553.10 = 370,939.04 : x
  2. Step 2: Convert to fraction form
    661,263.12/912,553.10 = 370,939.04/x
  3. Step 3: Cross multiply
    661,263.12x = 912,553.10 × 370,939.04
  4. Step 4: Simplify right side
    661,263.12x = 338,501,564,445.56
  5. Step 5: Solve for x
    x = 338,501,564,445.56/661,263.12
  6. Step 6: Final answer
    x = 511,901.47

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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.