Home / 709,544.12-1,063,392.06-288,327.56

Finding the Fourth Proportional to 709,544.12, 1,063,392.06 and 288,327.56

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Solution

The fourth proportional to 709,544.12, 1,063,392.06 and 288,327.56 is: 432,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,544.12 : 1,063,392.06 = 288,327.56 : x
  2. Step 2: Convert to fraction form
    709,544.12/1,063,392.06 = 288,327.56/x
  3. Step 3: Cross multiply
    709,544.12x = 1,063,392.06 × 288,327.56
  4. Step 4: Simplify right side
    709,544.12x = 306,605,240,641.65
  5. Step 5: Solve for x
    x = 306,605,240,641.65/709,544.12
  6. Step 6: Final answer
    x = 432,115.82

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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.