Home / 748,935.78-1,123,292.93-275,510.42

Finding the Fourth Proportional to 748,935.78, 1,123,292.93 and 275,510.42

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Solution

The fourth proportional to 748,935.78, 1,123,292.93 and 275,510.42 is: 413,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,935.78 : 1,123,292.93 = 275,510.42 : x
  2. Step 2: Convert to fraction form
    748,935.78/1,123,292.93 = 275,510.42/x
  3. Step 3: Cross multiply
    748,935.78x = 1,123,292.93 × 275,510.42
  4. Step 4: Simplify right side
    748,935.78x = 309,478,906,927.33
  5. Step 5: Solve for x
    x = 309,478,906,927.33/748,935.78
  6. Step 6: Final answer
    x = 413,224.89

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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.