Home / 765,784.02-1,148,675.66-292,517.22

Finding the Fourth Proportional to 765,784.02, 1,148,675.66 and 292,517.22

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Solution

The fourth proportional to 765,784.02, 1,148,675.66 and 292,517.22 is: 438,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,784.02 : 1,148,675.66 = 292,517.22 : x
  2. Step 2: Convert to fraction form
    765,784.02/1,148,675.66 = 292,517.22/x
  3. Step 3: Cross multiply
    765,784.02x = 1,148,675.66 × 292,517.22
  4. Step 4: Simplify right side
    765,784.02x = 336,007,410,744.87
  5. Step 5: Solve for x
    x = 336,007,410,744.87/765,784.02
  6. Step 6: Final answer
    x = 438,775.69

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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.