Home / 706,139.90-1,058,821.05-284,939.90

Finding the Fourth Proportional to 706,139.90, 1,058,821.05 and 284,939.90

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Solution

The fourth proportional to 706,139.90, 1,058,821.05 and 284,939.90 is: 427,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,139.90 : 1,058,821.05 = 284,939.90 : x
  2. Step 2: Convert to fraction form
    706,139.90/1,058,821.05 = 284,939.90/x
  3. Step 3: Cross multiply
    706,139.90x = 1,058,821.05 × 284,939.90
  4. Step 4: Simplify right side
    706,139.90x = 301,700,364,104.90
  5. Step 5: Solve for x
    x = 301,700,364,104.90/706,139.90
  6. Step 6: Final answer
    x = 427,252.96

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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.