Home / 835,839.15-1,252,883.75-349,799.78

Finding the Fourth Proportional to 835,839.15, 1,252,883.75 and 349,799.78

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Solution

The fourth proportional to 835,839.15, 1,252,883.75 and 349,799.78 is: 524,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,839.15 : 1,252,883.75 = 349,799.78 : x
  2. Step 2: Convert to fraction form
    835,839.15/1,252,883.75 = 349,799.78/x
  3. Step 3: Cross multiply
    835,839.15x = 1,252,883.75 × 349,799.78
  4. Step 4: Simplify right side
    835,839.15x = 438,258,464,122.28
  5. Step 5: Solve for x
    x = 438,258,464,122.28/835,839.15
  6. Step 6: Final answer
    x = 524,333.50

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Double scale
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Similar ratio
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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.