Home / 683,139.20-1,024,708.80-483,684.80

Finding the Fourth Proportional to 683,139.20, 1,024,708.80 and 483,684.80

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Solution

The fourth proportional to 683,139.20, 1,024,708.80 and 483,684.80 is: 725,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,139.20 : 1,024,708.80 = 483,684.80 : x
  2. Step 2: Convert to fraction form
    683,139.20/1,024,708.80 = 483,684.80/x
  3. Step 3: Cross multiply
    683,139.20x = 1,024,708.80 × 483,684.80
  4. Step 4: Simplify right side
    683,139.20x = 495,636,070,986.24
  5. Step 5: Solve for x
    x = 495,636,070,986.24/683,139.20
  6. Step 6: Final answer
    x = 725,527.20

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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.