Home / 648,030.30-970,344.45-457,461.60

Finding the Fourth Proportional to 648,030.30, 970,344.45 and 457,461.60

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Solution

The fourth proportional to 648,030.30, 970,344.45 and 457,461.60 is: 684,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,030.30 : 970,344.45 = 457,461.60 : x
  2. Step 2: Convert to fraction form
    648,030.30/970,344.45 = 457,461.60/x
  3. Step 3: Cross multiply
    648,030.30x = 970,344.45 × 457,461.60
  4. Step 4: Simplify right side
    648,030.30x = 443,895,324,648.12
  5. Step 5: Solve for x
    x = 443,895,324,648.12/648,030.30
  6. Step 6: Final answer
    x = 684,991.62

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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.