Home / 748,320.39-1,122,591.69-274,968.81

Finding the Fourth Proportional to 748,320.39, 1,122,591.69 and 274,968.81

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Solution

The fourth proportional to 748,320.39, 1,122,591.69 and 274,968.81 is: 412,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,320.39 : 1,122,591.69 = 274,968.81 : x
  2. Step 2: Convert to fraction form
    748,320.39/1,122,591.69 = 274,968.81/x
  3. Step 3: Cross multiply
    748,320.39x = 1,122,591.69 × 274,968.81
  4. Step 4: Simplify right side
    748,320.39x = 308,677,701,115.19
  5. Step 5: Solve for x
    x = 308,677,701,115.19/748,320.39
  6. Step 6: Final answer
    x = 412,494.04

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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.