Home / 671,532.80-1,006,521.60-271,911.20

Finding the Fourth Proportional to 671,532.80, 1,006,521.60 and 271,911.20

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Solution

The fourth proportional to 671,532.80, 1,006,521.60 and 271,911.20 is: 407,551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,532.80 : 1,006,521.60 = 271,911.20 : x
  2. Step 2: Convert to fraction form
    671,532.80/1,006,521.60 = 271,911.20/x
  3. Step 3: Cross multiply
    671,532.80x = 1,006,521.60 × 271,911.20
  4. Step 4: Simplify right side
    671,532.80x = 273,684,496,081.92
  5. Step 5: Solve for x
    x = 273,684,496,081.92/671,532.80
  6. Step 6: Final answer
    x = 407,551.94

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Why These Related Problems?

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