Home / 849,482.70-1,272,729.30-798,912.78

Finding the Fourth Proportional to 849,482.70, 1,272,729.30 and 798,912.78

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Solution

The fourth proportional to 849,482.70, 1,272,729.30 and 798,912.78 is: 1,196,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,482.70 : 1,272,729.30 = 798,912.78 : x
  2. Step 2: Convert to fraction form
    849,482.70/1,272,729.30 = 798,912.78/x
  3. Step 3: Cross multiply
    849,482.70x = 1,272,729.30 × 798,912.78
  4. Step 4: Simplify right side
    849,482.70x = 1,016,799,703,250.45
  5. Step 5: Solve for x
    x = 1,016,799,703,250.45/849,482.70
  6. Step 6: Final answer
    x = 1,196,963.40

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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.