Home / 648,024.80-970,336.20-457,456.10

Finding the Fourth Proportional to 648,024.80, 970,336.20 and 457,456.10

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Solution

The fourth proportional to 648,024.80, 970,336.20 and 457,456.10 is: 684,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,024.80 : 970,336.20 = 457,456.10 : x
  2. Step 2: Convert to fraction form
    648,024.80/970,336.20 = 457,456.10/x
  3. Step 3: Cross multiply
    648,024.80x = 970,336.20 × 457,456.10
  4. Step 4: Simplify right side
    648,024.80x = 443,886,213,740.82
  5. Step 5: Solve for x
    x = 443,886,213,740.82/648,024.80
  6. Step 6: Final answer
    x = 684,983.37

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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.