Home / 648,022.80-970,333.20-457,454.10

Finding the Fourth Proportional to 648,022.80, 970,333.20 and 457,454.10

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Solution

The fourth proportional to 648,022.80, 970,333.20 and 457,454.10 is: 684,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,022.80 : 970,333.20 = 457,454.10 : x
  2. Step 2: Convert to fraction form
    648,022.80/970,333.20 = 457,454.10/x
  3. Step 3: Cross multiply
    648,022.80x = 970,333.20 × 457,454.10
  4. Step 4: Simplify right side
    648,022.80x = 443,882,900,706.12
  5. Step 5: Solve for x
    x = 443,882,900,706.12/648,022.80
  6. Step 6: Final answer
    x = 684,980.38

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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.