Home / 748,935.92-1,123,293.08-275,510.57

Finding the Fourth Proportional to 748,935.92, 1,123,293.08 and 275,510.57

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Solution

The fourth proportional to 748,935.92, 1,123,293.08 and 275,510.57 is: 413,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,935.92 : 1,123,293.08 = 275,510.57 : x
  2. Step 2: Convert to fraction form
    748,935.92/1,123,293.08 = 275,510.57/x
  3. Step 3: Cross multiply
    748,935.92x = 1,123,293.08 × 275,510.57
  4. Step 4: Simplify right side
    748,935.92x = 309,479,111,820.17
  5. Step 5: Solve for x
    x = 309,479,111,820.17/748,935.92
  6. Step 6: Final answer
    x = 413,225.09

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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.