Home / 847,759.18-1,271,635.52-216,671.98

Finding the Fourth Proportional to 847,759.18, 1,271,635.52 and 216,671.98

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Solution

The fourth proportional to 847,759.18, 1,271,635.52 and 216,671.98 is: 325,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,759.18 : 1,271,635.52 = 216,671.98 : x
  2. Step 2: Convert to fraction form
    847,759.18/1,271,635.52 = 216,671.98/x
  3. Step 3: Cross multiply
    847,759.18x = 1,271,635.52 × 216,671.98
  4. Step 4: Simplify right side
    847,759.18x = 275,527,785,956.73
  5. Step 5: Solve for x
    x = 275,527,785,956.73/847,759.18
  6. Step 6: Final answer
    x = 325,007.14

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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.