Home / 487,653.96-672,947.16-269,849.46

Finding the Fourth Proportional to 487,653.96, 672,947.16 and 269,849.46

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Solution

The fourth proportional to 487,653.96, 672,947.16 and 269,849.46 is: 372,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,653.96 : 672,947.16 = 269,849.46 : x
  2. Step 2: Convert to fraction form
    487,653.96/672,947.16 = 269,849.46/x
  3. Step 3: Cross multiply
    487,653.96x = 672,947.16 × 269,849.46
  4. Step 4: Simplify right side
    487,653.96x = 181,594,427,734.53
  5. Step 5: Solve for x
    x = 181,594,427,734.53/487,653.96
  6. Step 6: Final answer
    x = 372,383.79

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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.