Home / 765,789.64-1,148,684.10-292,522.84

Finding the Fourth Proportional to 765,789.64, 1,148,684.10 and 292,522.84

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Solution

The fourth proportional to 765,789.64, 1,148,684.10 and 292,522.84 is: 438,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,789.64 : 1,148,684.10 = 292,522.84 : x
  2. Step 2: Convert to fraction form
    765,789.64/1,148,684.10 = 292,522.84/x
  3. Step 3: Cross multiply
    765,789.64x = 1,148,684.10 × 292,522.84
  4. Step 4: Simplify right side
    765,789.64x = 336,016,335,194.84
  5. Step 5: Solve for x
    x = 336,016,335,194.84/765,789.64
  6. Step 6: Final answer
    x = 438,784.12

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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.