Home / 513,084.41-707,995.15-283,610.70

Finding the Fourth Proportional to 513,084.41, 707,995.15 and 283,610.70

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Solution

The fourth proportional to 513,084.41, 707,995.15 and 283,610.70 is: 391,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,084.41 : 707,995.15 = 283,610.70 : x
  2. Step 2: Convert to fraction form
    513,084.41/707,995.15 = 283,610.70/x
  3. Step 3: Cross multiply
    513,084.41x = 707,995.15 × 283,610.70
  4. Step 4: Simplify right side
    513,084.41x = 200,795,000,088.11
  5. Step 5: Solve for x
    x = 200,795,000,088.11/513,084.41
  6. Step 6: Final answer
    x = 391,348.86

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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.