Home / 477,977.92-716,966.88-145,556.80

Finding the Fourth Proportional to 477,977.92, 716,966.88 and 145,556.80

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Solution

The fourth proportional to 477,977.92, 716,966.88 and 145,556.80 is: 218,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,977.92 : 716,966.88 = 145,556.80 : x
  2. Step 2: Convert to fraction form
    477,977.92/716,966.88 = 145,556.80/x
  3. Step 3: Cross multiply
    477,977.92x = 716,966.88 × 145,556.80
  4. Step 4: Simplify right side
    477,977.92x = 104,359,404,758.78
  5. Step 5: Solve for x
    x = 104,359,404,758.78/477,977.92
  6. Step 6: Final answer
    x = 218,335.20

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Similar ratio
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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.