Home / 426,518.95-588,787.71-281,410.13

Finding the Fourth Proportional to 426,518.95, 588,787.71 and 281,410.13

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Solution

The fourth proportional to 426,518.95, 588,787.71 and 281,410.13 is: 388,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,518.95 : 588,787.71 = 281,410.13 : x
  2. Step 2: Convert to fraction form
    426,518.95/588,787.71 = 281,410.13/x
  3. Step 3: Cross multiply
    426,518.95x = 588,787.71 × 281,410.13
  4. Step 4: Simplify right side
    426,518.95x = 165,690,826,013.50
  5. Step 5: Solve for x
    x = 165,690,826,013.50/426,518.95
  6. Step 6: Final answer
    x = 388,472.37

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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.