Home / 672,029.85-1,008,044.78-506,141.85

Finding the Fourth Proportional to 672,029.85, 1,008,044.78 and 506,141.85

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Solution

The fourth proportional to 672,029.85, 1,008,044.78 and 506,141.85 is: 759,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,029.85 : 1,008,044.78 = 506,141.85 : x
  2. Step 2: Convert to fraction form
    672,029.85/1,008,044.78 = 506,141.85/x
  3. Step 3: Cross multiply
    672,029.85x = 1,008,044.78 × 506,141.85
  4. Step 4: Simplify right side
    672,029.85x = 510,213,649,832.04
  5. Step 5: Solve for x
    x = 510,213,649,832.04/672,029.85
  6. Step 6: Final answer
    x = 759,212.78

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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.