Home / 744,820.66-1,115,820.78-440,303.08

Finding the Fourth Proportional to 744,820.66, 1,115,820.78 and 440,303.08

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Solution

The fourth proportional to 744,820.66, 1,115,820.78 and 440,303.08 is: 659,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,820.66 : 1,115,820.78 = 440,303.08 : x
  2. Step 2: Convert to fraction form
    744,820.66/1,115,820.78 = 440,303.08/x
  3. Step 3: Cross multiply
    744,820.66x = 1,115,820.78 × 440,303.08
  4. Step 4: Simplify right side
    744,820.66x = 491,299,326,162.00
  5. Step 5: Solve for x
    x = 491,299,326,162.00/744,820.66
  6. Step 6: Final answer
    x = 659,620.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.