Home / 746,479.24-1,120,365.90-391,743.88

Finding the Fourth Proportional to 746,479.24, 1,120,365.90 and 391,743.88

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Solution

The fourth proportional to 746,479.24, 1,120,365.90 and 391,743.88 is: 587,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,479.24 : 1,120,365.90 = 391,743.88 : x
  2. Step 2: Convert to fraction form
    746,479.24/1,120,365.90 = 391,743.88/x
  3. Step 3: Cross multiply
    746,479.24x = 1,120,365.90 × 391,743.88
  4. Step 4: Simplify right side
    746,479.24x = 438,896,484,685.69
  5. Step 5: Solve for x
    x = 438,896,484,685.69/746,479.24
  6. Step 6: Final answer
    x = 587,955.38

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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.