Home / 859,787.74-1,287,908.52-503,721.46

Finding the Fourth Proportional to 859,787.74, 1,287,908.52 and 503,721.46

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Solution

The fourth proportional to 859,787.74, 1,287,908.52 and 503,721.46 is: 754,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,787.74 : 1,287,908.52 = 503,721.46 : x
  2. Step 2: Convert to fraction form
    859,787.74/1,287,908.52 = 503,721.46/x
  3. Step 3: Cross multiply
    859,787.74x = 1,287,908.52 × 503,721.46
  4. Step 4: Simplify right side
    859,787.74x = 648,747,160,040.84
  5. Step 5: Solve for x
    x = 648,747,160,040.84/859,787.74
  6. Step 6: Final answer
    x = 754,543.39

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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.