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Finding the Fourth Proportional to 540,043.71, 745,229.51 and 322,497.96

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Solution

The fourth proportional to 540,043.71, 745,229.51 and 322,497.96 is: 445,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,043.71 : 745,229.51 = 322,497.96 : x
  2. Step 2: Convert to fraction form
    540,043.71/745,229.51 = 322,497.96/x
  3. Step 3: Cross multiply
    540,043.71x = 745,229.51 × 322,497.96
  4. Step 4: Simplify right side
    540,043.71x = 240,334,995,323.12
  5. Step 5: Solve for x
    x = 240,334,995,323.12/540,043.71
  6. Step 6: Final answer
    x = 445,028.79

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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.