Home / 747,585.88-1,121,550.56-215,111.32

Finding the Fourth Proportional to 747,585.88, 1,121,550.56 and 215,111.32

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Solution

The fourth proportional to 747,585.88, 1,121,550.56 and 215,111.32 is: 322,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,585.88 : 1,121,550.56 = 215,111.32 : x
  2. Step 2: Convert to fraction form
    747,585.88/1,121,550.56 = 215,111.32/x
  3. Step 3: Cross multiply
    747,585.88x = 1,121,550.56 × 215,111.32
  4. Step 4: Simplify right side
    747,585.88x = 241,258,221,408.34
  5. Step 5: Solve for x
    x = 241,258,221,408.34/747,585.88
  6. Step 6: Final answer
    x = 322,716.40

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Double scale
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1.5x scale

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.