Home / 972,930.24-1,342,778.04-543,238.20

Finding the Fourth Proportional to 972,930.24, 1,342,778.04 and 543,238.20

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Solution

The fourth proportional to 972,930.24, 1,342,778.04 and 543,238.20 is: 749,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,930.24 : 1,342,778.04 = 543,238.20 : x
  2. Step 2: Convert to fraction form
    972,930.24/1,342,778.04 = 543,238.20/x
  3. Step 3: Cross multiply
    972,930.24x = 1,342,778.04 × 543,238.20
  4. Step 4: Simplify right side
    972,930.24x = 729,448,325,449.13
  5. Step 5: Solve for x
    x = 729,448,325,449.13/972,930.24
  6. Step 6: Final answer
    x = 749,743.71

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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.