Home / 765,293.28-1,147,940.96-365,840.16

Finding the Fourth Proportional to 765,293.28, 1,147,940.96 and 365,840.16

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Solution

The fourth proportional to 765,293.28, 1,147,940.96 and 365,840.16 is: 548,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,293.28 : 1,147,940.96 = 365,840.16 : x
  2. Step 2: Convert to fraction form
    765,293.28/1,147,940.96 = 365,840.16/x
  3. Step 3: Cross multiply
    765,293.28x = 1,147,940.96 × 365,840.16
  4. Step 4: Simplify right side
    765,293.28x = 419,962,904,476.95
  5. Step 5: Solve for x
    x = 419,962,904,476.95/765,293.28
  6. Step 6: Final answer
    x = 548,760.74

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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.