Home / 788,290.20-1,087,841.52-448,758

Finding the Fourth Proportional to 788,290.20, 1,087,841.52 and 448,758

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Solution

The fourth proportional to 788,290.20, 1,087,841.52 and 448,758 is: 619,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,290.20 : 1,087,841.52 = 448,758 : x
  2. Step 2: Convert to fraction form
    788,290.20/1,087,841.52 = 448,758/x
  3. Step 3: Cross multiply
    788,290.20x = 1,087,841.52 × 448,758
  4. Step 4: Simplify right side
    788,290.20x = 488,177,584,832.16
  5. Step 5: Solve for x
    x = 488,177,584,832.16/788,290.20
  6. Step 6: Final answer
    x = 619,286.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.