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Finding the Fourth Proportional to 632,023.24, 871,672.44 and 450,677.20

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Solution

The fourth proportional to 632,023.24, 871,672.44 and 450,677.20 is: 621,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,023.24 : 871,672.44 = 450,677.20 : x
  2. Step 2: Convert to fraction form
    632,023.24/871,672.44 = 450,677.20/x
  3. Step 3: Cross multiply
    632,023.24x = 871,672.44 × 450,677.20
  4. Step 4: Simplify right side
    632,023.24x = 392,842,894,576.37
  5. Step 5: Solve for x
    x = 392,842,894,576.37/632,023.24
  6. Step 6: Final answer
    x = 621,564.00

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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.