Home / 744,279.60-1,116,419.40-238,839.60

Finding the Fourth Proportional to 744,279.60, 1,116,419.40 and 238,839.60

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Solution

The fourth proportional to 744,279.60, 1,116,419.40 and 238,839.60 is: 358,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,279.60 : 1,116,419.40 = 238,839.60 : x
  2. Step 2: Convert to fraction form
    744,279.60/1,116,419.40 = 238,839.60/x
  3. Step 3: Cross multiply
    744,279.60x = 1,116,419.40 × 238,839.60
  4. Step 4: Simplify right side
    744,279.60x = 266,645,162,928.24
  5. Step 5: Solve for x
    x = 266,645,162,928.24/744,279.60
  6. Step 6: Final answer
    x = 358,259.40

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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.