Home / 705,645.88-1,058,463.78-284,915.32

Finding the Fourth Proportional to 705,645.88, 1,058,463.78 and 284,915.32

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Solution

The fourth proportional to 705,645.88, 1,058,463.78 and 284,915.32 is: 427,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,645.88 : 1,058,463.78 = 284,915.32 : x
  2. Step 2: Convert to fraction form
    705,645.88/1,058,463.78 = 284,915.32/x
  3. Step 3: Cross multiply
    705,645.88x = 1,058,463.78 × 284,915.32
  4. Step 4: Simplify right side
    705,645.88x = 301,572,546,587.11
  5. Step 5: Solve for x
    x = 301,572,546,587.11/705,645.88
  6. Step 6: Final answer
    x = 427,370.95

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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.