Home / 772,778.72-1,159,241.60-240,156.32

Finding the Fourth Proportional to 772,778.72, 1,159,241.60 and 240,156.32

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Solution

The fourth proportional to 772,778.72, 1,159,241.60 and 240,156.32 is: 360,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,778.72 : 1,159,241.60 = 240,156.32 : x
  2. Step 2: Convert to fraction form
    772,778.72/1,159,241.60 = 240,156.32/x
  3. Step 3: Cross multiply
    772,778.72x = 1,159,241.60 × 240,156.32
  4. Step 4: Simplify right side
    772,778.72x = 278,399,196,646.91
  5. Step 5: Solve for x
    x = 278,399,196,646.91/772,778.72
  6. Step 6: Final answer
    x = 360,257.33

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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.