Home / 501,963.28-692,710.38-272,520.86

Finding the Fourth Proportional to 501,963.28, 692,710.38 and 272,520.86

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Solution

The fourth proportional to 501,963.28, 692,710.38 and 272,520.86 is: 376,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,963.28 : 692,710.38 = 272,520.86 : x
  2. Step 2: Convert to fraction form
    501,963.28/692,710.38 = 272,520.86/x
  3. Step 3: Cross multiply
    501,963.28x = 692,710.38 × 272,520.86
  4. Step 4: Simplify right side
    501,963.28x = 188,778,025,024.98
  5. Step 5: Solve for x
    x = 188,778,025,024.98/501,963.28
  6. Step 6: Final answer
    x = 376,079.35

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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.