Home / 437,300.80-655,951.20-288,001.60

Finding the Fourth Proportional to 437,300.80, 655,951.20 and 288,001.60

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Solution

The fourth proportional to 437,300.80, 655,951.20 and 288,001.60 is: 432,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,300.80 : 655,951.20 = 288,001.60 : x
  2. Step 2: Convert to fraction form
    437,300.80/655,951.20 = 288,001.60/x
  3. Step 3: Cross multiply
    437,300.80x = 655,951.20 × 288,001.60
  4. Step 4: Simplify right side
    437,300.80x = 188,914,995,121.92
  5. Step 5: Solve for x
    x = 188,914,995,121.92/437,300.80
  6. Step 6: Final answer
    x = 432,002.40

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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.