Home / 757,223.20-1,134,279.60-383,456.80

Finding the Fourth Proportional to 757,223.20, 1,134,279.60 and 383,456.80

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Solution

The fourth proportional to 757,223.20, 1,134,279.60 and 383,456.80 is: 574,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,223.20 : 1,134,279.60 = 383,456.80 : x
  2. Step 2: Convert to fraction form
    757,223.20/1,134,279.60 = 383,456.80/x
  3. Step 3: Cross multiply
    757,223.20x = 1,134,279.60 × 383,456.80
  4. Step 4: Simplify right side
    757,223.20x = 434,947,225,721.28
  5. Step 5: Solve for x
    x = 434,947,225,721.28/757,223.20
  6. Step 6: Final answer
    x = 574,397.65

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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.