Home / 887,173.79-1,331,141.99-288,318.51

Finding the Fourth Proportional to 887,173.79, 1,331,141.99 and 288,318.51

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Solution

The fourth proportional to 887,173.79, 1,331,141.99 and 288,318.51 is: 432,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,173.79 : 1,331,141.99 = 288,318.51 : x
  2. Step 2: Convert to fraction form
    887,173.79/1,331,141.99 = 288,318.51/x
  3. Step 3: Cross multiply
    887,173.79x = 1,331,141.99 × 288,318.51
  4. Step 4: Simplify right side
    887,173.79x = 383,792,873,713.64
  5. Step 5: Solve for x
    x = 383,792,873,713.64/887,173.79
  6. Step 6: Final answer
    x = 432,601.68

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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.