Home / 751,567.46-1,127,498.61-278,256.92

Finding the Fourth Proportional to 751,567.46, 1,127,498.61 and 278,256.92

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Solution

The fourth proportional to 751,567.46, 1,127,498.61 and 278,256.92 is: 417,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,567.46 : 1,127,498.61 = 278,256.92 : x
  2. Step 2: Convert to fraction form
    751,567.46/1,127,498.61 = 278,256.92/x
  3. Step 3: Cross multiply
    751,567.46x = 1,127,498.61 × 278,256.92
  4. Step 4: Simplify right side
    751,567.46x = 313,734,283,494.10
  5. Step 5: Solve for x
    x = 313,734,283,494.10/751,567.46
  6. Step 6: Final answer
    x = 417,439.95

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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.