Home / 872,854.20-1,309,281.30-573,672.60

Finding the Fourth Proportional to 872,854.20, 1,309,281.30 and 573,672.60

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Solution

The fourth proportional to 872,854.20, 1,309,281.30 and 573,672.60 is: 860,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,854.20 : 1,309,281.30 = 573,672.60 : x
  2. Step 2: Convert to fraction form
    872,854.20/1,309,281.30 = 573,672.60/x
  3. Step 3: Cross multiply
    872,854.20x = 1,309,281.30 × 573,672.60
  4. Step 4: Simplify right side
    872,854.20x = 751,098,807,502.38
  5. Step 5: Solve for x
    x = 751,098,807,502.38/872,854.20
  6. Step 6: Final answer
    x = 860,508.90

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1.5x scale

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.