Home / 498,982.95-688,597.22-284,123.19

Finding the Fourth Proportional to 498,982.95, 688,597.22 and 284,123.19

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Solution

The fourth proportional to 498,982.95, 688,597.22 and 284,123.19 is: 392,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,982.95 : 688,597.22 = 284,123.19 : x
  2. Step 2: Convert to fraction form
    498,982.95/688,597.22 = 284,123.19/x
  3. Step 3: Cross multiply
    498,982.95x = 688,597.22 × 284,123.19
  4. Step 4: Simplify right side
    498,982.95x = 195,646,437,350.92
  5. Step 5: Solve for x
    x = 195,646,437,350.92/498,982.95
  6. Step 6: Final answer
    x = 392,090.43

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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.