Home / 645,820.20-966,887.10-572,092.20

Finding the Fourth Proportional to 645,820.20, 966,887.10 and 572,092.20

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Solution

The fourth proportional to 645,820.20, 966,887.10 and 572,092.20 is: 856,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,820.20 : 966,887.10 = 572,092.20 : x
  2. Step 2: Convert to fraction form
    645,820.20/966,887.10 = 572,092.20/x
  3. Step 3: Cross multiply
    645,820.20x = 966,887.10 × 572,092.20
  4. Step 4: Simplify right side
    645,820.20x = 553,148,568,190.62
  5. Step 5: Solve for x
    x = 553,148,568,190.62/645,820.20
  6. Step 6: Final answer
    x = 856,505.52

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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.