Home / 765,459.88-1,148,188.66-260,073.32

Finding the Fourth Proportional to 765,459.88, 1,148,188.66 and 260,073.32

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Solution

The fourth proportional to 765,459.88, 1,148,188.66 and 260,073.32 is: 390,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,459.88 : 1,148,188.66 = 260,073.32 : x
  2. Step 2: Convert to fraction form
    765,459.88/1,148,188.66 = 260,073.32/x
  3. Step 3: Cross multiply
    765,459.88x = 1,148,188.66 × 260,073.32
  4. Step 4: Simplify right side
    765,459.88x = 298,613,236,792.55
  5. Step 5: Solve for x
    x = 298,613,236,792.55/765,459.88
  6. Step 6: Final answer
    x = 390,109.59

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Similar ratio
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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.