Home / 970,400.20-1,455,600.30-929,446.60

Finding the Fourth Proportional to 970,400.20, 1,455,600.30 and 929,446.60

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Solution

The fourth proportional to 970,400.20, 1,455,600.30 and 929,446.60 is: 1,394,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,400.20 : 1,455,600.30 = 929,446.60 : x
  2. Step 2: Convert to fraction form
    970,400.20/1,455,600.30 = 929,446.60/x
  3. Step 3: Cross multiply
    970,400.20x = 1,455,600.30 × 929,446.60
  4. Step 4: Simplify right side
    970,400.20x = 1,352,902,749,793.98
  5. Step 5: Solve for x
    x = 1,352,902,749,793.98/970,400.20
  6. Step 6: Final answer
    x = 1,394,169.90

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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.