Home / 921,204.19-1,381,806.29-359,845.03

Finding the Fourth Proportional to 921,204.19, 1,381,806.29 and 359,845.03

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Solution

The fourth proportional to 921,204.19, 1,381,806.29 and 359,845.03 is: 539,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,204.19 : 1,381,806.29 = 359,845.03 : x
  2. Step 2: Convert to fraction form
    921,204.19/1,381,806.29 = 359,845.03/x
  3. Step 3: Cross multiply
    921,204.19x = 1,381,806.29 × 359,845.03
  4. Step 4: Simplify right side
    921,204.19x = 497,236,126,481.98
  5. Step 5: Solve for x
    x = 497,236,126,481.98/921,204.19
  6. Step 6: Final answer
    x = 539,767.55

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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.