Home / 766,619.30-1,149,928.95-367,054.40

Finding the Fourth Proportional to 766,619.30, 1,149,928.95 and 367,054.40

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Solution

The fourth proportional to 766,619.30, 1,149,928.95 and 367,054.40 is: 550,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,619.30 : 1,149,928.95 = 367,054.40 : x
  2. Step 2: Convert to fraction form
    766,619.30/1,149,928.95 = 367,054.40/x
  3. Step 3: Cross multiply
    766,619.30x = 1,149,928.95 × 367,054.40
  4. Step 4: Simplify right side
    766,619.30x = 422,086,480,784.88
  5. Step 5: Solve for x
    x = 422,086,480,784.88/766,619.30
  6. Step 6: Final answer
    x = 550,581.60

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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.