Home / 779,427-1,165,763.16-458,814.96

Finding the Fourth Proportional to 779,427, 1,165,763.16 and 458,814.96

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Solution

The fourth proportional to 779,427, 1,165,763.16 and 458,814.96 is: 686,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,427 : 1,165,763.16 = 458,814.96 : x
  2. Step 2: Convert to fraction form
    779,427/1,165,763.16 = 458,814.96/x
  3. Step 3: Cross multiply
    779,427x = 1,165,763.16 × 458,814.96
  4. Step 4: Simplify right side
    779,427x = 534,869,577,624.87
  5. Step 5: Solve for x
    x = 534,869,577,624.87/779,427
  6. Step 6: Final answer
    x = 686,234.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.