Home / 929,863.80-1,394,925.30-397,380.60

Finding the Fourth Proportional to 929,863.80, 1,394,925.30 and 397,380.60

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Solution

The fourth proportional to 929,863.80, 1,394,925.30 and 397,380.60 is: 596,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,863.80 : 1,394,925.30 = 397,380.60 : x
  2. Step 2: Convert to fraction form
    929,863.80/1,394,925.30 = 397,380.60/x
  3. Step 3: Cross multiply
    929,863.80x = 1,394,925.30 × 397,380.60
  4. Step 4: Simplify right side
    929,863.80x = 554,316,252,669.18
  5. Step 5: Solve for x
    x = 554,316,252,669.18/929,863.80
  6. Step 6: Final answer
    x = 596,126.29

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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.