Home / 693,275.73-1,039,899.67-314,125.79

Finding the Fourth Proportional to 693,275.73, 1,039,899.67 and 314,125.79

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Solution

The fourth proportional to 693,275.73, 1,039,899.67 and 314,125.79 is: 471,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,275.73 : 1,039,899.67 = 314,125.79 : x
  2. Step 2: Convert to fraction form
    693,275.73/1,039,899.67 = 314,125.79/x
  3. Step 3: Cross multiply
    693,275.73x = 1,039,899.67 × 314,125.79
  4. Step 4: Simplify right side
    693,275.73x = 326,659,305,359.49
  5. Step 5: Solve for x
    x = 326,659,305,359.49/693,275.73
  6. Step 6: Final answer
    x = 471,182.38

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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.