Home / 499,837.17-689,057.76-356,348.10

Finding the Fourth Proportional to 499,837.17, 689,057.76 and 356,348.10

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Solution

The fourth proportional to 499,837.17, 689,057.76 and 356,348.10 is: 491,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,837.17 : 689,057.76 = 356,348.10 : x
  2. Step 2: Convert to fraction form
    499,837.17/689,057.76 = 356,348.10/x
  3. Step 3: Cross multiply
    499,837.17x = 689,057.76 × 356,348.10
  4. Step 4: Simplify right side
    499,837.17x = 245,544,423,566.26
  5. Step 5: Solve for x
    x = 245,544,423,566.26/499,837.17
  6. Step 6: Final answer
    x = 491,248.83

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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.