Home / 457,962.78-631,258.38-361,008.54

Finding the Fourth Proportional to 457,962.78, 631,258.38 and 361,008.54

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Solution

The fourth proportional to 457,962.78, 631,258.38 and 361,008.54 is: 497,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,962.78 : 631,258.38 = 361,008.54 : x
  2. Step 2: Convert to fraction form
    457,962.78/631,258.38 = 361,008.54/x
  3. Step 3: Cross multiply
    457,962.78x = 631,258.38 × 361,008.54
  4. Step 4: Simplify right side
    457,962.78x = 227,889,666,126.57
  5. Step 5: Solve for x
    x = 227,889,666,126.57/457,962.78
  6. Step 6: Final answer
    x = 497,616.13

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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.