Home / 784,906.50-1,177,535.28-286,270.50

Finding the Fourth Proportional to 784,906.50, 1,177,535.28 and 286,270.50

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Solution

The fourth proportional to 784,906.50, 1,177,535.28 and 286,270.50 is: 429,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,906.50 : 1,177,535.28 = 286,270.50 : x
  2. Step 2: Convert to fraction form
    784,906.50/1,177,535.28 = 286,270.50/x
  3. Step 3: Cross multiply
    784,906.50x = 1,177,535.28 × 286,270.50
  4. Step 4: Simplify right side
    784,906.50x = 337,093,613,373.24
  5. Step 5: Solve for x
    x = 337,093,613,373.24/784,906.50
  6. Step 6: Final answer
    x = 429,469.77

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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.