Home / 751,805.60-1,127,708.40-627,802.70

Finding the Fourth Proportional to 751,805.60, 1,127,708.40 and 627,802.70

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Solution

The fourth proportional to 751,805.60, 1,127,708.40 and 627,802.70 is: 941,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,805.60 : 1,127,708.40 = 627,802.70 : x
  2. Step 2: Convert to fraction form
    751,805.60/1,127,708.40 = 627,802.70/x
  3. Step 3: Cross multiply
    751,805.60x = 1,127,708.40 × 627,802.70
  4. Step 4: Simplify right side
    751,805.60x = 707,978,378,332.68
  5. Step 5: Solve for x
    x = 707,978,378,332.68/751,805.60
  6. Step 6: Final answer
    x = 941,704.05

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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.