Home / 648,035.40-972,053.10-382,314.90

Finding the Fourth Proportional to 648,035.40, 972,053.10 and 382,314.90

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Solution

The fourth proportional to 648,035.40, 972,053.10 and 382,314.90 is: 573,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,035.40 : 972,053.10 = 382,314.90 : x
  2. Step 2: Convert to fraction form
    648,035.40/972,053.10 = 382,314.90/x
  3. Step 3: Cross multiply
    648,035.40x = 972,053.10 × 382,314.90
  4. Step 4: Simplify right side
    648,035.40x = 371,630,383,721.19
  5. Step 5: Solve for x
    x = 371,630,383,721.19/648,035.40
  6. Step 6: Final answer
    x = 573,472.35

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Similar ratio
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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.