Home / 672,052.15-1,008,078.23-649,242.55

Finding the Fourth Proportional to 672,052.15, 1,008,078.23 and 649,242.55

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Solution

The fourth proportional to 672,052.15, 1,008,078.23 and 649,242.55 is: 973,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,052.15 : 1,008,078.23 = 649,242.55 : x
  2. Step 2: Convert to fraction form
    672,052.15/1,008,078.23 = 649,242.55/x
  3. Step 3: Cross multiply
    672,052.15x = 1,008,078.23 × 649,242.55
  4. Step 4: Simplify right side
    672,052.15x = 654,487,280,644.69
  5. Step 5: Solve for x
    x = 654,487,280,644.69/672,052.15
  6. Step 6: Final answer
    x = 973,863.83

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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.