Home / 807,519.24-1,210,136.49-447,848.46

Finding the Fourth Proportional to 807,519.24, 1,210,136.49 and 447,848.46

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Solution

The fourth proportional to 807,519.24, 1,210,136.49 and 447,848.46 is: 671,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,519.24 : 1,210,136.49 = 447,848.46 : x
  2. Step 2: Convert to fraction form
    807,519.24/1,210,136.49 = 447,848.46/x
  3. Step 3: Cross multiply
    807,519.24x = 1,210,136.49 × 447,848.46
  4. Step 4: Simplify right side
    807,519.24x = 541,957,763,436.31
  5. Step 5: Solve for x
    x = 541,957,763,436.31/807,519.24
  6. Step 6: Final answer
    x = 671,139.13

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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.