Home / 477,530.28-658,959.30-276,356.52

Finding the Fourth Proportional to 477,530.28, 658,959.30 and 276,356.52

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Solution

The fourth proportional to 477,530.28, 658,959.30 and 276,356.52 is: 381,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,530.28 : 658,959.30 = 276,356.52 : x
  2. Step 2: Convert to fraction form
    477,530.28/658,959.30 = 276,356.52/x
  3. Step 3: Cross multiply
    477,530.28x = 658,959.30 × 276,356.52
  4. Step 4: Simplify right side
    477,530.28x = 182,107,698,969.64
  5. Step 5: Solve for x
    x = 182,107,698,969.64/477,530.28
  6. Step 6: Final answer
    x = 381,353.20

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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.