Home / 799,385.86-1,103,144.16-450,493.75

Finding the Fourth Proportional to 799,385.86, 1,103,144.16 and 450,493.75

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Solution

The fourth proportional to 799,385.86, 1,103,144.16 and 450,493.75 is: 621,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,385.86 : 1,103,144.16 = 450,493.75 : x
  2. Step 2: Convert to fraction form
    799,385.86/1,103,144.16 = 450,493.75/x
  3. Step 3: Cross multiply
    799,385.86x = 1,103,144.16 × 450,493.75
  4. Step 4: Simplify right side
    799,385.86x = 496,959,549,429.00
  5. Step 5: Solve for x
    x = 496,959,549,429.00/799,385.86
  6. Step 6: Final answer
    x = 621,676.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.