Home / 868,179.56-1,302,713.93-413,285.63

Finding the Fourth Proportional to 868,179.56, 1,302,713.93 and 413,285.63

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Solution

The fourth proportional to 868,179.56, 1,302,713.93 and 413,285.63 is: 620,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,179.56 : 1,302,713.93 = 413,285.63 : x
  2. Step 2: Convert to fraction form
    868,179.56/1,302,713.93 = 413,285.63/x
  3. Step 3: Cross multiply
    868,179.56x = 1,302,713.93 × 413,285.63
  4. Step 4: Simplify right side
    868,179.56x = 538,392,941,789.47
  5. Step 5: Solve for x
    x = 538,392,941,789.47/868,179.56
  6. Step 6: Final answer
    x = 620,140.08

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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.