Home / 781,293.12-1,172,056.68-282,773.76

Finding the Fourth Proportional to 781,293.12, 1,172,056.68 and 282,773.76

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Solution

The fourth proportional to 781,293.12, 1,172,056.68 and 282,773.76 is: 424,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,293.12 : 1,172,056.68 = 282,773.76 : x
  2. Step 2: Convert to fraction form
    781,293.12/1,172,056.68 = 282,773.76/x
  3. Step 3: Cross multiply
    781,293.12x = 1,172,056.68 × 282,773.76
  4. Step 4: Simplify right side
    781,293.12x = 331,426,874,336.72
  5. Step 5: Solve for x
    x = 331,426,874,336.72/781,293.12
  6. Step 6: Final answer
    x = 424,202.99

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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.