Home / 807,470.88-1,210,063.76-447,799.94

Finding the Fourth Proportional to 807,470.88, 1,210,063.76 and 447,799.94

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Solution

The fourth proportional to 807,470.88, 1,210,063.76 and 447,799.94 is: 671,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,470.88 : 1,210,063.76 = 447,799.94 : x
  2. Step 2: Convert to fraction form
    807,470.88/1,210,063.76 = 447,799.94/x
  3. Step 3: Cross multiply
    807,470.88x = 1,210,063.76 × 447,799.94
  4. Step 4: Simplify right side
    807,470.88x = 541,866,479,124.17
  5. Step 5: Solve for x
    x = 541,866,479,124.17/807,470.88
  6. Step 6: Final answer
    x = 671,066.28

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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.