Home / 893,695.24-1,339,787.67-387,873.73

Finding the Fourth Proportional to 893,695.24, 1,339,787.67 and 387,873.73

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Solution

The fourth proportional to 893,695.24, 1,339,787.67 and 387,873.73 is: 581,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,695.24 : 1,339,787.67 = 387,873.73 : x
  2. Step 2: Convert to fraction form
    893,695.24/1,339,787.67 = 387,873.73/x
  3. Step 3: Cross multiply
    893,695.24x = 1,339,787.67 × 387,873.73
  4. Step 4: Simplify right side
    893,695.24x = 519,668,440,970.91
  5. Step 5: Solve for x
    x = 519,668,440,970.91/893,695.24
  6. Step 6: Final answer
    x = 581,482.83

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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.