Home / 871,472.52-1,307,220.93-231,787.17

Finding the Fourth Proportional to 871,472.52, 1,307,220.93 and 231,787.17

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Solution

The fourth proportional to 871,472.52, 1,307,220.93 and 231,787.17 is: 347,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,472.52 : 1,307,220.93 = 231,787.17 : x
  2. Step 2: Convert to fraction form
    871,472.52/1,307,220.93 = 231,787.17/x
  3. Step 3: Cross multiply
    871,472.52x = 1,307,220.93 × 231,787.17
  4. Step 4: Simplify right side
    871,472.52x = 302,997,039,929.47
  5. Step 5: Solve for x
    x = 302,997,039,929.47/871,472.52
  6. Step 6: Final answer
    x = 347,683.99

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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.