Home / 709,007.04-1,063,711.52-288,584.64

Finding the Fourth Proportional to 709,007.04, 1,063,711.52 and 288,584.64

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Solution

The fourth proportional to 709,007.04, 1,063,711.52 and 288,584.64 is: 432,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,007.04 : 1,063,711.52 = 288,584.64 : x
  2. Step 2: Convert to fraction form
    709,007.04/1,063,711.52 = 288,584.64/x
  3. Step 3: Cross multiply
    709,007.04x = 1,063,711.52 × 288,584.64
  4. Step 4: Simplify right side
    709,007.04x = 306,970,806,063.05
  5. Step 5: Solve for x
    x = 306,970,806,063.05/709,007.04
  6. Step 6: Final answer
    x = 432,958.76

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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.