Home / 727,383.39-1,091,075.01-278,149.70

Finding the Fourth Proportional to 727,383.39, 1,091,075.01 and 278,149.70

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Solution

The fourth proportional to 727,383.39, 1,091,075.01 and 278,149.70 is: 417,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,383.39 : 1,091,075.01 = 278,149.70 : x
  2. Step 2: Convert to fraction form
    727,383.39/1,091,075.01 = 278,149.70/x
  3. Step 3: Cross multiply
    727,383.39x = 1,091,075.01 × 278,149.70
  4. Step 4: Simplify right side
    727,383.39x = 303,482,181,253.62
  5. Step 5: Solve for x
    x = 303,482,181,253.62/727,383.39
  6. Step 6: Final answer
    x = 417,224.51

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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.