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Finding the Fourth Proportional to 503,280.72, 754,921.08 and 453,358.80

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Solution

The fourth proportional to 503,280.72, 754,921.08 and 453,358.80 is: 680,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,280.72 : 754,921.08 = 453,358.80 : x
  2. Step 2: Convert to fraction form
    503,280.72/754,921.08 = 453,358.80/x
  3. Step 3: Cross multiply
    503,280.72x = 754,921.08 × 453,358.80
  4. Step 4: Simplify right side
    503,280.72x = 342,250,114,923.50
  5. Step 5: Solve for x
    x = 342,250,114,923.50/503,280.72
  6. Step 6: Final answer
    x = 680,038.20

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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.