Home / 442,849.80-666,024.30-397,360.20

Finding the Fourth Proportional to 442,849.80, 666,024.30 and 397,360.20

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Solution

The fourth proportional to 442,849.80, 666,024.30 and 397,360.20 is: 597,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,849.80 : 666,024.30 = 397,360.20 : x
  2. Step 2: Convert to fraction form
    442,849.80/666,024.30 = 397,360.20/x
  3. Step 3: Cross multiply
    442,849.80x = 666,024.30 × 397,360.20
  4. Step 4: Simplify right side
    442,849.80x = 264,651,549,052.86
  5. Step 5: Solve for x
    x = 264,651,549,052.86/442,849.80
  6. Step 6: Final answer
    x = 597,610.18

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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.