Home / 748,953.34-1,123,405.40-299,553.54

Finding the Fourth Proportional to 748,953.34, 1,123,405.40 and 299,553.54

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Solution

The fourth proportional to 748,953.34, 1,123,405.40 and 299,553.54 is: 449,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,953.34 : 1,123,405.40 = 299,553.54 : x
  2. Step 2: Convert to fraction form
    748,953.34/1,123,405.40 = 299,553.54/x
  3. Step 3: Cross multiply
    748,953.34x = 1,123,405.40 × 299,553.54
  4. Step 4: Simplify right side
    748,953.34x = 336,520,067,280.39
  5. Step 5: Solve for x
    x = 336,520,067,280.39/748,953.34
  6. Step 6: Final answer
    x = 449,320.47

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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.