Home / 908,532.38-1,253,774.72-526,780.60

Finding the Fourth Proportional to 908,532.38, 1,253,774.72 and 526,780.60

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Solution

The fourth proportional to 908,532.38, 1,253,774.72 and 526,780.60 is: 726,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,532.38 : 1,253,774.72 = 526,780.60 : x
  2. Step 2: Convert to fraction form
    908,532.38/1,253,774.72 = 526,780.60/x
  3. Step 3: Cross multiply
    908,532.38x = 1,253,774.72 × 526,780.60
  4. Step 4: Simplify right side
    908,532.38x = 660,464,199,266.43
  5. Step 5: Solve for x
    x = 660,464,199,266.43/908,532.38
  6. Step 6: Final answer
    x = 726,957.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.