Home / 1,011,616.71-1,517,403.54-328,502.82

Finding the Fourth Proportional to 1,011,616.71, 1,517,403.54 and 328,502.82

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Solution

The fourth proportional to 1,011,616.71, 1,517,403.54 and 328,502.82 is: 492,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,616.71 : 1,517,403.54 = 328,502.82 : x
  2. Step 2: Convert to fraction form
    1,011,616.71/1,517,403.54 = 328,502.82/x
  3. Step 3: Cross multiply
    1,011,616.71x = 1,517,403.54 × 328,502.82
  4. Step 4: Simplify right side
    1,011,616.71x = 498,471,341,967.98
  5. Step 5: Solve for x
    x = 498,471,341,967.98/1,011,616.71
  6. Step 6: Final answer
    x = 492,747.24

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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.