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Finding the Fourth Proportional to 872,545.52, 1,308,780.21 and 273,493.01

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Solution

The fourth proportional to 872,545.52, 1,308,780.21 and 273,493.01 is: 410,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,545.52 : 1,308,780.21 = 273,493.01 : x
  2. Step 2: Convert to fraction form
    872,545.52/1,308,780.21 = 273,493.01/x
  3. Step 3: Cross multiply
    872,545.52x = 1,308,780.21 × 273,493.01
  4. Step 4: Simplify right side
    872,545.52x = 357,942,239,061.33
  5. Step 5: Solve for x
    x = 357,942,239,061.33/872,545.52
  6. Step 6: Final answer
    x = 410,227.58

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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.