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Finding the Fourth Proportional to 671,133.76, 1,006,695.20 and 315,954

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Solution

The fourth proportional to 671,133.76, 1,006,695.20 and 315,954 is: 473,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,133.76 : 1,006,695.20 = 315,954 : x
  2. Step 2: Convert to fraction form
    671,133.76/1,006,695.20 = 315,954/x
  3. Step 3: Cross multiply
    671,133.76x = 1,006,695.20 × 315,954
  4. Step 4: Simplify right side
    671,133.76x = 318,069,375,220.80
  5. Step 5: Solve for x
    x = 318,069,375,220.80/671,133.76
  6. Step 6: Final answer
    x = 473,928.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.