Home / 785,264.83-1,177,850.31-279,799.01

Finding the Fourth Proportional to 785,264.83, 1,177,850.31 and 279,799.01

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Solution

The fourth proportional to 785,264.83, 1,177,850.31 and 279,799.01 is: 419,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,264.83 : 1,177,850.31 = 279,799.01 : x
  2. Step 2: Convert to fraction form
    785,264.83/1,177,850.31 = 279,799.01/x
  3. Step 3: Cross multiply
    785,264.83x = 1,177,850.31 × 279,799.01
  4. Step 4: Simplify right side
    785,264.83x = 329,561,349,718.50
  5. Step 5: Solve for x
    x = 329,561,349,718.50/785,264.83
  6. Step 6: Final answer
    x = 419,681.79

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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.