Home / 847,253.94-1,270,611.72-278,503.80

Finding the Fourth Proportional to 847,253.94, 1,270,611.72 and 278,503.80

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Solution

The fourth proportional to 847,253.94, 1,270,611.72 and 278,503.80 is: 417,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,253.94 : 1,270,611.72 = 278,503.80 : x
  2. Step 2: Convert to fraction form
    847,253.94/1,270,611.72 = 278,503.80/x
  3. Step 3: Cross multiply
    847,253.94x = 1,270,611.72 × 278,503.80
  4. Step 4: Simplify right side
    847,253.94x = 353,870,192,344.54
  5. Step 5: Solve for x
    x = 353,870,192,344.54/847,253.94
  6. Step 6: Final answer
    x = 417,667.21

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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.