Home / 804,741.30-1,207,111.95-272,279.70

Finding the Fourth Proportional to 804,741.30, 1,207,111.95 and 272,279.70

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Solution

The fourth proportional to 804,741.30, 1,207,111.95 and 272,279.70 is: 408,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,741.30 : 1,207,111.95 = 272,279.70 : x
  2. Step 2: Convert to fraction form
    804,741.30/1,207,111.95 = 272,279.70/x
  3. Step 3: Cross multiply
    804,741.30x = 1,207,111.95 × 272,279.70
  4. Step 4: Simplify right side
    804,741.30x = 328,672,079,612.42
  5. Step 5: Solve for x
    x = 328,672,079,612.42/804,741.30
  6. Step 6: Final answer
    x = 408,419.55

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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.