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Finding the Fourth Proportional to 642,597.04, 886,879.56 and 370,614.16

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Solution

The fourth proportional to 642,597.04, 886,879.56 and 370,614.16 is: 511,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,597.04 : 886,879.56 = 370,614.16 : x
  2. Step 2: Convert to fraction form
    642,597.04/886,879.56 = 370,614.16/x
  3. Step 3: Cross multiply
    642,597.04x = 886,879.56 × 370,614.16
  4. Step 4: Simplify right side
    642,597.04x = 328,690,123,150.57
  5. Step 5: Solve for x
    x = 328,690,123,150.57/642,597.04
  6. Step 6: Final answer
    x = 511,502.70

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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.