Home / 957,356.39-1,321,203.79-549,454.97

Finding the Fourth Proportional to 957,356.39, 1,321,203.79 and 549,454.97

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Solution

The fourth proportional to 957,356.39, 1,321,203.79 and 549,454.97 is: 758,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,356.39 : 1,321,203.79 = 549,454.97 : x
  2. Step 2: Convert to fraction form
    957,356.39/1,321,203.79 = 549,454.97/x
  3. Step 3: Cross multiply
    957,356.39x = 1,321,203.79 × 549,454.97
  4. Step 4: Simplify right side
    957,356.39x = 725,941,992,788.17
  5. Step 5: Solve for x
    x = 725,941,992,788.17/957,356.39
  6. Step 6: Final answer
    x = 758,277.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.