Home / 970,666.80-1,456,000.20-260,766.60

Finding the Fourth Proportional to 970,666.80, 1,456,000.20 and 260,766.60

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Solution

The fourth proportional to 970,666.80, 1,456,000.20 and 260,766.60 is: 391,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,666.80 : 1,456,000.20 = 260,766.60 : x
  2. Step 2: Convert to fraction form
    970,666.80/1,456,000.20 = 260,766.60/x
  3. Step 3: Cross multiply
    970,666.80x = 1,456,000.20 × 260,766.60
  4. Step 4: Simplify right side
    970,666.80x = 379,676,221,753.32
  5. Step 5: Solve for x
    x = 379,676,221,753.32/970,666.80
  6. Step 6: Final answer
    x = 391,149.90

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Double scale
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Similar ratio
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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.