Home / 672,076.15-1,008,114.23-432,927.70

Finding the Fourth Proportional to 672,076.15, 1,008,114.23 and 432,927.70

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Solution

The fourth proportional to 672,076.15, 1,008,114.23 and 432,927.70 is: 649,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,076.15 : 1,008,114.23 = 432,927.70 : x
  2. Step 2: Convert to fraction form
    672,076.15/1,008,114.23 = 432,927.70/x
  3. Step 3: Cross multiply
    672,076.15x = 1,008,114.23 × 432,927.70
  4. Step 4: Simplify right side
    672,076.15x = 436,440,572,766.53
  5. Step 5: Solve for x
    x = 436,440,572,766.53/672,076.15
  6. Step 6: Final answer
    x = 649,391.55

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Double scale
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Similar ratio
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1.5x scale

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.