Home / 865,672.10-1,298,508.15-510,856.10

Finding the Fourth Proportional to 865,672.10, 1,298,508.15 and 510,856.10

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Solution

The fourth proportional to 865,672.10, 1,298,508.15 and 510,856.10 is: 766,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,672.10 : 1,298,508.15 = 510,856.10 : x
  2. Step 2: Convert to fraction form
    865,672.10/1,298,508.15 = 510,856.10/x
  3. Step 3: Cross multiply
    865,672.10x = 1,298,508.15 × 510,856.10
  4. Step 4: Simplify right side
    865,672.10x = 663,350,809,327.22
  5. Step 5: Solve for x
    x = 663,350,809,327.22/865,672.10
  6. Step 6: Final answer
    x = 766,284.15

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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.