Home / 498,883.23-688,459.49-284,023.29

Finding the Fourth Proportional to 498,883.23, 688,459.49 and 284,023.29

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Solution

The fourth proportional to 498,883.23, 688,459.49 and 284,023.29 is: 391,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,883.23 : 688,459.49 = 284,023.29 : x
  2. Step 2: Convert to fraction form
    498,883.23/688,459.49 = 284,023.29/x
  3. Step 3: Cross multiply
    498,883.23x = 688,459.49 × 284,023.29
  4. Step 4: Simplify right side
    498,883.23x = 195,538,529,381.52
  5. Step 5: Solve for x
    x = 195,538,529,381.52/498,883.23
  6. Step 6: Final answer
    x = 391,952.50

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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.