Home / 758,852.20-1,138,343.10-260,216.20

Finding the Fourth Proportional to 758,852.20, 1,138,343.10 and 260,216.20

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Solution

The fourth proportional to 758,852.20, 1,138,343.10 and 260,216.20 is: 390,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,852.20 : 1,138,343.10 = 260,216.20 : x
  2. Step 2: Convert to fraction form
    758,852.20/1,138,343.10 = 260,216.20/x
  3. Step 3: Cross multiply
    758,852.20x = 1,138,343.10 × 260,216.20
  4. Step 4: Simplify right side
    758,852.20x = 296,215,315,778.22
  5. Step 5: Solve for x
    x = 296,215,315,778.22/758,852.20
  6. Step 6: Final answer
    x = 390,346.52

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.