Home / 751,626.47-1,127,319.65-219,023.18

Finding the Fourth Proportional to 751,626.47, 1,127,319.65 and 219,023.18

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Solution

The fourth proportional to 751,626.47, 1,127,319.65 and 219,023.18 is: 328,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,626.47 : 1,127,319.65 = 219,023.18 : x
  2. Step 2: Convert to fraction form
    751,626.47/1,127,319.65 = 219,023.18/x
  3. Step 3: Cross multiply
    751,626.47x = 1,127,319.65 × 219,023.18
  4. Step 4: Simplify right side
    751,626.47x = 246,909,127,887.77
  5. Step 5: Solve for x
    x = 246,909,127,887.77/751,626.47
  6. Step 6: Final answer
    x = 328,499.78

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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.