Home / 886,487.76-1,329,731.63-221,639.76

Finding the Fourth Proportional to 886,487.76, 1,329,731.63 and 221,639.76

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Solution

The fourth proportional to 886,487.76, 1,329,731.63 and 221,639.76 is: 332,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,487.76 : 1,329,731.63 = 221,639.76 : x
  2. Step 2: Convert to fraction form
    886,487.76/1,329,731.63 = 221,639.76/x
  3. Step 3: Cross multiply
    886,487.76x = 1,329,731.63 × 221,639.76
  4. Step 4: Simplify right side
    886,487.76x = 294,721,399,337.61
  5. Step 5: Solve for x
    x = 294,721,399,337.61/886,487.76
  6. Step 6: Final answer
    x = 332,459.64

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1.5x scale

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.