Home / 779,747.10-1,170,009.45-443,046.30

Finding the Fourth Proportional to 779,747.10, 1,170,009.45 and 443,046.30

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Solution

The fourth proportional to 779,747.10, 1,170,009.45 and 443,046.30 is: 664,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,747.10 : 1,170,009.45 = 443,046.30 : x
  2. Step 2: Convert to fraction form
    779,747.10/1,170,009.45 = 443,046.30/x
  3. Step 3: Cross multiply
    779,747.10x = 1,170,009.45 × 443,046.30
  4. Step 4: Simplify right side
    779,747.10x = 518,368,357,787.54
  5. Step 5: Solve for x
    x = 518,368,357,787.54/779,747.10
  6. Step 6: Final answer
    x = 664,790.36

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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.