Home / 757,147.32-1,044,861.24-434,878.20

Finding the Fourth Proportional to 757,147.32, 1,044,861.24 and 434,878.20

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Solution

The fourth proportional to 757,147.32, 1,044,861.24 and 434,878.20 is: 600,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,147.32 : 1,044,861.24 = 434,878.20 : x
  2. Step 2: Convert to fraction form
    757,147.32/1,044,861.24 = 434,878.20/x
  3. Step 3: Cross multiply
    757,147.32x = 1,044,861.24 × 434,878.20
  4. Step 4: Simplify right side
    757,147.32x = 454,387,375,300.97
  5. Step 5: Solve for x
    x = 454,387,375,300.97/757,147.32
  6. Step 6: Final answer
    x = 600,130.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.