Home / 705,113.73-1,058,090.85-255,869.65

Finding the Fourth Proportional to 705,113.73, 1,058,090.85 and 255,869.65

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Solution

The fourth proportional to 705,113.73, 1,058,090.85 and 255,869.65 is: 383,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,113.73 : 1,058,090.85 = 255,869.65 : x
  2. Step 2: Convert to fraction form
    705,113.73/1,058,090.85 = 255,869.65/x
  3. Step 3: Cross multiply
    705,113.73x = 1,058,090.85 × 255,869.65
  4. Step 4: Simplify right side
    705,113.73x = 270,733,336,780.32
  5. Step 5: Solve for x
    x = 270,733,336,780.32/705,113.73
  6. Step 6: Final answer
    x = 383,956.98

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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.