Home / 718,959.63-1,078,170.33-308,577.13

Finding the Fourth Proportional to 718,959.63, 1,078,170.33 and 308,577.13

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Solution

The fourth proportional to 718,959.63, 1,078,170.33 and 308,577.13 is: 462,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,959.63 : 1,078,170.33 = 308,577.13 : x
  2. Step 2: Convert to fraction form
    718,959.63/1,078,170.33 = 308,577.13/x
  3. Step 3: Cross multiply
    718,959.63x = 1,078,170.33 × 308,577.13
  4. Step 4: Simplify right side
    718,959.63x = 332,698,708,873.25
  5. Step 5: Solve for x
    x = 332,698,708,873.25/718,959.63
  6. Step 6: Final answer
    x = 462,750.19

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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.