Home / 705,085.60-1,058,233.20-284,663.20

Finding the Fourth Proportional to 705,085.60, 1,058,233.20 and 284,663.20

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Solution

The fourth proportional to 705,085.60, 1,058,233.20 and 284,663.20 is: 427,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,085.60 : 1,058,233.20 = 284,663.20 : x
  2. Step 2: Convert to fraction form
    705,085.60/1,058,233.20 = 284,663.20/x
  3. Step 3: Cross multiply
    705,085.60x = 1,058,233.20 × 284,663.20
  4. Step 4: Simplify right side
    705,085.60x = 301,240,049,058.24
  5. Step 5: Solve for x
    x = 301,240,049,058.24/705,085.60
  6. Step 6: Final answer
    x = 427,238.98

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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.