Home / 457,001.28-630,654.07-253,047.81

Finding the Fourth Proportional to 457,001.28, 630,654.07 and 253,047.81

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Solution

The fourth proportional to 457,001.28, 630,654.07 and 253,047.81 is: 349,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,001.28 : 630,654.07 = 253,047.81 : x
  2. Step 2: Convert to fraction form
    457,001.28/630,654.07 = 253,047.81/x
  3. Step 3: Cross multiply
    457,001.28x = 630,654.07 × 253,047.81
  4. Step 4: Simplify right side
    457,001.28x = 159,585,631,281.09
  5. Step 5: Solve for x
    x = 159,585,631,281.09/457,001.28
  6. Step 6: Final answer
    x = 349,201.72

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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.