Home / 684,750.20-1,027,125.30-517,444.70

Finding the Fourth Proportional to 684,750.20, 1,027,125.30 and 517,444.70

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Solution

The fourth proportional to 684,750.20, 1,027,125.30 and 517,444.70 is: 776,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,750.20 : 1,027,125.30 = 517,444.70 : x
  2. Step 2: Convert to fraction form
    684,750.20/1,027,125.30 = 517,444.70/x
  3. Step 3: Cross multiply
    684,750.20x = 1,027,125.30 × 517,444.70
  4. Step 4: Simplify right side
    684,750.20x = 531,480,542,720.91
  5. Step 5: Solve for x
    x = 531,480,542,720.91/684,750.20
  6. Step 6: Final answer
    x = 776,167.05

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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.