Home / 651,822.88-899,466.96-397,132.96

Finding the Fourth Proportional to 651,822.88, 899,466.96 and 397,132.96

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Solution

The fourth proportional to 651,822.88, 899,466.96 and 397,132.96 is: 548,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,822.88 : 899,466.96 = 397,132.96 : x
  2. Step 2: Convert to fraction form
    651,822.88/899,466.96 = 397,132.96/x
  3. Step 3: Cross multiply
    651,822.88x = 899,466.96 × 397,132.96
  4. Step 4: Simplify right side
    651,822.88x = 357,207,976,247.00
  5. Step 5: Solve for x
    x = 357,207,976,247.00/651,822.88
  6. Step 6: Final answer
    x = 548,013.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.