Home / 784,877.80-1,177,105.92-216,123.49

Finding the Fourth Proportional to 784,877.80, 1,177,105.92 and 216,123.49

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Solution

The fourth proportional to 784,877.80, 1,177,105.92 and 216,123.49 is: 324,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,877.80 : 1,177,105.92 = 216,123.49 : x
  2. Step 2: Convert to fraction form
    784,877.80/1,177,105.92 = 216,123.49/x
  3. Step 3: Cross multiply
    784,877.80x = 1,177,105.92 × 216,123.49
  4. Step 4: Simplify right side
    784,877.80x = 254,400,241,406.68
  5. Step 5: Solve for x
    x = 254,400,241,406.68/784,877.80
  6. Step 6: Final answer
    x = 324,127.20

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Double scale
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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.