Home / 738,363.60-1,107,545.40-454,928.40

Finding the Fourth Proportional to 738,363.60, 1,107,545.40 and 454,928.40

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Solution

The fourth proportional to 738,363.60, 1,107,545.40 and 454,928.40 is: 682,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,363.60 : 1,107,545.40 = 454,928.40 : x
  2. Step 2: Convert to fraction form
    738,363.60/1,107,545.40 = 454,928.40/x
  3. Step 3: Cross multiply
    738,363.60x = 1,107,545.40 × 454,928.40
  4. Step 4: Simplify right side
    738,363.60x = 503,853,856,749.36
  5. Step 5: Solve for x
    x = 503,853,856,749.36/738,363.60
  6. Step 6: Final answer
    x = 682,392.60

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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.