Home / 457,278.92-631,036.37-275,998.49

Finding the Fourth Proportional to 457,278.92, 631,036.37 and 275,998.49

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Solution

The fourth proportional to 457,278.92, 631,036.37 and 275,998.49 is: 380,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,278.92 : 631,036.37 = 275,998.49 : x
  2. Step 2: Convert to fraction form
    457,278.92/631,036.37 = 275,998.49/x
  3. Step 3: Cross multiply
    457,278.92x = 631,036.37 × 275,998.49
  4. Step 4: Simplify right side
    457,278.92x = 174,165,085,156.28
  5. Step 5: Solve for x
    x = 174,165,085,156.28/457,278.92
  6. Step 6: Final answer
    x = 380,872.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.