Home / 716,806.31-1,074,606.82-479,424.47

Finding the Fourth Proportional to 716,806.31, 1,074,606.82 and 479,424.47

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Solution

The fourth proportional to 716,806.31, 1,074,606.82 and 479,424.47 is: 718,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,806.31 : 1,074,606.82 = 479,424.47 : x
  2. Step 2: Convert to fraction form
    716,806.31/1,074,606.82 = 479,424.47/x
  3. Step 3: Cross multiply
    716,806.31x = 1,074,606.82 × 479,424.47
  4. Step 4: Simplify right side
    716,806.31x = 515,192,798,565.29
  5. Step 5: Solve for x
    x = 515,192,798,565.29/716,806.31
  6. Step 6: Final answer
    x = 718,733.63

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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.