Home / 744,478.40-1,116,717.60-301,246.40

Finding the Fourth Proportional to 744,478.40, 1,116,717.60 and 301,246.40

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Solution

The fourth proportional to 744,478.40, 1,116,717.60 and 301,246.40 is: 451,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,478.40 : 1,116,717.60 = 301,246.40 : x
  2. Step 2: Convert to fraction form
    744,478.40/1,116,717.60 = 301,246.40/x
  3. Step 3: Cross multiply
    744,478.40x = 1,116,717.60 × 301,246.40
  4. Step 4: Simplify right side
    744,478.40x = 336,407,156,816.64
  5. Step 5: Solve for x
    x = 336,407,156,816.64/744,478.40
  6. Step 6: Final answer
    x = 451,869.60

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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.