Home / 457,180.04-631,216.71-285,359.73

Finding the Fourth Proportional to 457,180.04, 631,216.71 and 285,359.73

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Solution

The fourth proportional to 457,180.04, 631,216.71 and 285,359.73 is: 393,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,180.04 : 631,216.71 = 285,359.73 : x
  2. Step 2: Convert to fraction form
    457,180.04/631,216.71 = 285,359.73/x
  3. Step 3: Cross multiply
    457,180.04x = 631,216.71 × 285,359.73
  4. Step 4: Simplify right side
    457,180.04x = 180,123,829,937.09
  5. Step 5: Solve for x
    x = 180,123,829,937.09/457,180.04
  6. Step 6: Final answer
    x = 393,988.84

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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.