Home / 457,948.65-631,555.45-285,882.49

Finding the Fourth Proportional to 457,948.65, 631,555.45 and 285,882.49

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Solution

The fourth proportional to 457,948.65, 631,555.45 and 285,882.49 is: 394,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,948.65 : 631,555.45 = 285,882.49 : x
  2. Step 2: Convert to fraction form
    457,948.65/631,555.45 = 285,882.49/x
  3. Step 3: Cross multiply
    457,948.65x = 631,555.45 × 285,882.49
  4. Step 4: Simplify right side
    457,948.65x = 180,550,644,619.07
  5. Step 5: Solve for x
    x = 180,550,644,619.07/457,948.65
  6. Step 6: Final answer
    x = 394,259.58

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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.