Home / 871,374.48-1,307,062.76-272,338.79

Finding the Fourth Proportional to 871,374.48, 1,307,062.76 and 272,338.79

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Solution

The fourth proportional to 871,374.48, 1,307,062.76 and 272,338.79 is: 408,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,374.48 : 1,307,062.76 = 272,338.79 : x
  2. Step 2: Convert to fraction form
    871,374.48/1,307,062.76 = 272,338.79/x
  3. Step 3: Cross multiply
    871,374.48x = 1,307,062.76 × 272,338.79
  4. Step 4: Simplify right side
    871,374.48x = 355,963,882,615.45
  5. Step 5: Solve for x
    x = 355,963,882,615.45/871,374.48
  6. Step 6: Final answer
    x = 408,508.50

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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.