Home / 754,587.88-1,040,987.79-448,490.32

Finding the Fourth Proportional to 754,587.88, 1,040,987.79 and 448,490.32

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Solution

The fourth proportional to 754,587.88, 1,040,987.79 and 448,490.32 is: 618,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,587.88 : 1,040,987.79 = 448,490.32 : x
  2. Step 2: Convert to fraction form
    754,587.88/1,040,987.79 = 448,490.32/x
  3. Step 3: Cross multiply
    754,587.88x = 1,040,987.79 × 448,490.32
  4. Step 4: Simplify right side
    754,587.88x = 466,872,944,450.72
  5. Step 5: Solve for x
    x = 466,872,944,450.72/754,587.88
  6. Step 6: Final answer
    x = 618,712.49

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Double scale
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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.