Home / 457,756.20-631,678.28-253,795.24

Finding the Fourth Proportional to 457,756.20, 631,678.28 and 253,795.24

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Solution

The fourth proportional to 457,756.20, 631,678.28 and 253,795.24 is: 350,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,756.20 : 631,678.28 = 253,795.24 : x
  2. Step 2: Convert to fraction form
    457,756.20/631,678.28 = 253,795.24/x
  3. Step 3: Cross multiply
    457,756.20x = 631,678.28 × 253,795.24
  4. Step 4: Simplify right side
    457,756.20x = 160,316,940,675.39
  5. Step 5: Solve for x
    x = 160,316,940,675.39/457,756.20
  6. Step 6: Final answer
    x = 350,223.42

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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.