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Finding the Fourth Proportional to 477,346.28, 658,754.78 and 262,502.69

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Solution

The fourth proportional to 477,346.28, 658,754.78 and 262,502.69 is: 362,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,346.28 : 658,754.78 = 262,502.69 : x
  2. Step 2: Convert to fraction form
    477,346.28/658,754.78 = 262,502.69/x
  3. Step 3: Cross multiply
    477,346.28x = 658,754.78 × 262,502.69
  4. Step 4: Simplify right side
    477,346.28x = 172,924,897,194.07
  5. Step 5: Solve for x
    x = 172,924,897,194.07/477,346.28
  6. Step 6: Final answer
    x = 362,263.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.