Home / 921,182.82-1,381,774.22-359,823.66

Finding the Fourth Proportional to 921,182.82, 1,381,774.22 and 359,823.66

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Solution

The fourth proportional to 921,182.82, 1,381,774.22 and 359,823.66 is: 539,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,182.82 : 1,381,774.22 = 359,823.66 : x
  2. Step 2: Convert to fraction form
    921,182.82/1,381,774.22 = 359,823.66/x
  3. Step 3: Cross multiply
    921,182.82x = 1,381,774.22 × 359,823.66
  4. Step 4: Simplify right side
    921,182.82x = 497,195,053,526.62
  5. Step 5: Solve for x
    x = 497,195,053,526.62/921,182.82
  6. Step 6: Final answer
    x = 539,735.48

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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.