Home / 672,076.40-1,008,114.60-432,927.95

Finding the Fourth Proportional to 672,076.40, 1,008,114.60 and 432,927.95

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Solution

The fourth proportional to 672,076.40, 1,008,114.60 and 432,927.95 is: 649,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,076.40 : 1,008,114.60 = 432,927.95 : x
  2. Step 2: Convert to fraction form
    672,076.40/1,008,114.60 = 432,927.95/x
  3. Step 3: Cross multiply
    672,076.40x = 1,008,114.60 × 432,927.95
  4. Step 4: Simplify right side
    672,076.40x = 436,440,987,143.07
  5. Step 5: Solve for x
    x = 436,440,987,143.07/672,076.40
  6. Step 6: Final answer
    x = 649,391.93

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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.