Home / 705,230.80-1,058,105.40-284,549.20

Finding the Fourth Proportional to 705,230.80, 1,058,105.40 and 284,549.20

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Solution

The fourth proportional to 705,230.80, 1,058,105.40 and 284,549.20 is: 426,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,230.80 : 1,058,105.40 = 284,549.20 : x
  2. Step 2: Convert to fraction form
    705,230.80/1,058,105.40 = 284,549.20/x
  3. Step 3: Cross multiply
    705,230.80x = 1,058,105.40 × 284,549.20
  4. Step 4: Simplify right side
    705,230.80x = 301,083,045,085.68
  5. Step 5: Solve for x
    x = 301,083,045,085.68/705,230.80
  6. Step 6: Final answer
    x = 426,928.38

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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.