Home / 705,200.80-1,058,060.40-284,519.20

Finding the Fourth Proportional to 705,200.80, 1,058,060.40 and 284,519.20

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Solution

The fourth proportional to 705,200.80, 1,058,060.40 and 284,519.20 is: 426,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,200.80 : 1,058,060.40 = 284,519.20 : x
  2. Step 2: Convert to fraction form
    705,200.80/1,058,060.40 = 284,519.20/x
  3. Step 3: Cross multiply
    705,200.80x = 1,058,060.40 × 284,519.20
  4. Step 4: Simplify right side
    705,200.80x = 301,038,498,559.68
  5. Step 5: Solve for x
    x = 301,038,498,559.68/705,200.80
  6. Step 6: Final answer
    x = 426,883.38

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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.