Home / 389,787.74-584,702.25-123,569.02

Finding the Fourth Proportional to 389,787.74, 584,702.25 and 123,569.02

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Solution

The fourth proportional to 389,787.74, 584,702.25 and 123,569.02 is: 185,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,787.74 : 584,702.25 = 123,569.02 : x
  2. Step 2: Convert to fraction form
    389,787.74/584,702.25 = 123,569.02/x
  3. Step 3: Cross multiply
    389,787.74x = 584,702.25 × 123,569.02
  4. Step 4: Simplify right side
    389,787.74x = 72,251,084,291.79
  5. Step 5: Solve for x
    x = 72,251,084,291.79/389,787.74
  6. Step 6: Final answer
    x = 185,360.07

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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.