Home / 849,759.30-1,274,638.95-288,793.80

Finding the Fourth Proportional to 849,759.30, 1,274,638.95 and 288,793.80

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Solution

The fourth proportional to 849,759.30, 1,274,638.95 and 288,793.80 is: 433,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,759.30 : 1,274,638.95 = 288,793.80 : x
  2. Step 2: Convert to fraction form
    849,759.30/1,274,638.95 = 288,793.80/x
  3. Step 3: Cross multiply
    849,759.30x = 1,274,638.95 × 288,793.80
  4. Step 4: Simplify right side
    849,759.30x = 368,107,825,998.51
  5. Step 5: Solve for x
    x = 368,107,825,998.51/849,759.30
  6. Step 6: Final answer
    x = 433,190.70

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Similar ratio
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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.