Home / 746,110.10-1,120,331.55-431,182.10

Finding the Fourth Proportional to 746,110.10, 1,120,331.55 and 431,182.10

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Solution

The fourth proportional to 746,110.10, 1,120,331.55 and 431,182.10 is: 647,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,110.10 : 1,120,331.55 = 431,182.10 : x
  2. Step 2: Convert to fraction form
    746,110.10/1,120,331.55 = 431,182.10/x
  3. Step 3: Cross multiply
    746,110.10x = 1,120,331.55 × 431,182.10
  4. Step 4: Simplify right side
    746,110.10x = 483,066,910,425.26
  5. Step 5: Solve for x
    x = 483,066,910,425.26/746,110.10
  6. Step 6: Final answer
    x = 647,447.22

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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.