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Finding the Fourth Proportional to 765,796.84, 1,148,695.53 and 344,580.64

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Solution

The fourth proportional to 765,796.84, 1,148,695.53 and 344,580.64 is: 516,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,796.84 : 1,148,695.53 = 344,580.64 : x
  2. Step 2: Convert to fraction form
    765,796.84/1,148,695.53 = 344,580.64/x
  3. Step 3: Cross multiply
    765,796.84x = 1,148,695.53 × 344,580.64
  4. Step 4: Simplify right side
    765,796.84x = 395,818,240,892.54
  5. Step 5: Solve for x
    x = 395,818,240,892.54/765,796.84
  6. Step 6: Final answer
    x = 516,871.08

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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.