Home / 705,919.40-1,058,879.10-284,978.60

Finding the Fourth Proportional to 705,919.40, 1,058,879.10 and 284,978.60

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Solution

The fourth proportional to 705,919.40, 1,058,879.10 and 284,978.60 is: 427,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,919.40 : 1,058,879.10 = 284,978.60 : x
  2. Step 2: Convert to fraction form
    705,919.40/1,058,879.10 = 284,978.60/x
  3. Step 3: Cross multiply
    705,919.40x = 1,058,879.10 × 284,978.60
  4. Step 4: Simplify right side
    705,919.40x = 301,757,883,487.26
  5. Step 5: Solve for x
    x = 301,757,883,487.26/705,919.40
  6. Step 6: Final answer
    x = 427,467.90

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Similar ratio
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1.5x scale

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.