Home / 705,123.82-1,058,106.02-255,879.75

Finding the Fourth Proportional to 705,123.82, 1,058,106.02 and 255,879.75

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Solution

The fourth proportional to 705,123.82, 1,058,106.02 and 255,879.75 is: 383,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,123.82 : 1,058,106.02 = 255,879.75 : x
  2. Step 2: Convert to fraction form
    705,123.82/1,058,106.02 = 255,879.75/x
  3. Step 3: Cross multiply
    705,123.82x = 1,058,106.02 × 255,879.75
  4. Step 4: Simplify right side
    705,123.82x = 270,747,903,871.10
  5. Step 5: Solve for x
    x = 270,747,903,871.10/705,123.82
  6. Step 6: Final answer
    x = 383,972.14

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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.