Home / 708,908.40-1,062,689.82-282,705.84

Finding the Fourth Proportional to 708,908.40, 1,062,689.82 and 282,705.84

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Solution

The fourth proportional to 708,908.40, 1,062,689.82 and 282,705.84 is: 423,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,908.40 : 1,062,689.82 = 282,705.84 : x
  2. Step 2: Convert to fraction form
    708,908.40/1,062,689.82 = 282,705.84/x
  3. Step 3: Cross multiply
    708,908.40x = 1,062,689.82 × 282,705.84
  4. Step 4: Simplify right side
    708,908.40x = 300,428,618,222.55
  5. Step 5: Solve for x
    x = 300,428,618,222.55/708,908.40
  6. Step 6: Final answer
    x = 423,790.46

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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.