Home / 501,947.79-692,696.28-272,505.12

Finding the Fourth Proportional to 501,947.79, 692,696.28 and 272,505.12

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Solution

The fourth proportional to 501,947.79, 692,696.28 and 272,505.12 is: 376,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,947.79 : 692,696.28 = 272,505.12 : x
  2. Step 2: Convert to fraction form
    501,947.79/692,696.28 = 272,505.12/x
  3. Step 3: Cross multiply
    501,947.79x = 692,696.28 × 272,505.12
  4. Step 4: Simplify right side
    501,947.79x = 188,763,282,904.95
  5. Step 5: Solve for x
    x = 188,763,282,904.95/501,947.79
  6. Step 6: Final answer
    x = 376,061.59

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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.