Home / 457,419.24-631,031.54-276,073.20

Finding the Fourth Proportional to 457,419.24, 631,031.54 and 276,073.20

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Solution

The fourth proportional to 457,419.24, 631,031.54 and 276,073.20 is: 380,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,419.24 : 631,031.54 = 276,073.20 : x
  2. Step 2: Convert to fraction form
    457,419.24/631,031.54 = 276,073.20/x
  3. Step 3: Cross multiply
    457,419.24x = 631,031.54 × 276,073.20
  4. Step 4: Simplify right side
    457,419.24x = 174,210,896,548.73
  5. Step 5: Solve for x
    x = 174,210,896,548.73/457,419.24
  6. Step 6: Final answer
    x = 380,856.08

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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.