Home / 748,195.31-1,122,740.10-274,928.51

Finding the Fourth Proportional to 748,195.31, 1,122,740.10 and 274,928.51

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Solution

The fourth proportional to 748,195.31, 1,122,740.10 and 274,928.51 is: 412,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,195.31 : 1,122,740.10 = 274,928.51 : x
  2. Step 2: Convert to fraction form
    748,195.31/1,122,740.10 = 274,928.51/x
  3. Step 3: Cross multiply
    748,195.31x = 1,122,740.10 × 274,928.51
  4. Step 4: Simplify right side
    748,195.31x = 308,673,257,196.55
  5. Step 5: Solve for x
    x = 308,673,257,196.55/748,195.31
  6. Step 6: Final answer
    x = 412,557.06

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1.5x scale

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.