Home / 767,858.71-1,150,891.50-577,708.38

Finding the Fourth Proportional to 767,858.71, 1,150,891.50 and 577,708.38

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Solution

The fourth proportional to 767,858.71, 1,150,891.50 and 577,708.38 is: 865,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,858.71 : 1,150,891.50 = 577,708.38 : x
  2. Step 2: Convert to fraction form
    767,858.71/1,150,891.50 = 577,708.38/x
  3. Step 3: Cross multiply
    767,858.71x = 1,150,891.50 × 577,708.38
  4. Step 4: Simplify right side
    767,858.71x = 664,879,664,020.77
  5. Step 5: Solve for x
    x = 664,879,664,020.77/767,858.71
  6. Step 6: Final answer
    x = 865,888.03

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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.