Home / 871,374.48-1,307,062.75-272,338.78

Finding the Fourth Proportional to 871,374.48, 1,307,062.75 and 272,338.78

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Solution

The fourth proportional to 871,374.48, 1,307,062.75 and 272,338.78 is: 408,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,374.48 : 1,307,062.75 = 272,338.78 : x
  2. Step 2: Convert to fraction form
    871,374.48/1,307,062.75 = 272,338.78/x
  3. Step 3: Cross multiply
    871,374.48x = 1,307,062.75 × 272,338.78
  4. Step 4: Simplify right side
    871,374.48x = 355,963,870,769.94
  5. Step 5: Solve for x
    x = 355,963,870,769.94/871,374.48
  6. Step 6: Final answer
    x = 408,508.49

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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.