Home / 767,066.88-1,150,194.80-340,417.28

Finding the Fourth Proportional to 767,066.88, 1,150,194.80 and 340,417.28

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Solution

The fourth proportional to 767,066.88, 1,150,194.80 and 340,417.28 is: 510,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,066.88 : 1,150,194.80 = 340,417.28 : x
  2. Step 2: Convert to fraction form
    767,066.88/1,150,194.80 = 340,417.28/x
  3. Step 3: Cross multiply
    767,066.88x = 1,150,194.80 × 340,417.28
  4. Step 4: Simplify right side
    767,066.88x = 391,546,185,286.14
  5. Step 5: Solve for x
    x = 391,546,185,286.14/767,066.88
  6. Step 6: Final answer
    x = 510,445.95

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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.