Home / 648,024.30-970,335.45-457,455.60

Finding the Fourth Proportional to 648,024.30, 970,335.45 and 457,455.60

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Solution

The fourth proportional to 648,024.30, 970,335.45 and 457,455.60 is: 684,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,024.30 : 970,335.45 = 457,455.60 : x
  2. Step 2: Convert to fraction form
    648,024.30/970,335.45 = 457,455.60/x
  3. Step 3: Cross multiply
    648,024.30x = 970,335.45 × 457,455.60
  4. Step 4: Simplify right side
    648,024.30x = 443,885,385,481.02
  5. Step 5: Solve for x
    x = 443,885,385,481.02/648,024.30
  6. Step 6: Final answer
    x = 684,982.62

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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.