Home / 807,452.79-1,210,036.62-447,781.84

Finding the Fourth Proportional to 807,452.79, 1,210,036.62 and 447,781.84

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Solution

The fourth proportional to 807,452.79, 1,210,036.62 and 447,781.84 is: 671,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,452.79 : 1,210,036.62 = 447,781.84 : x
  2. Step 2: Convert to fraction form
    807,452.79/1,210,036.62 = 447,781.84/x
  3. Step 3: Cross multiply
    807,452.79x = 1,210,036.62 × 447,781.84
  4. Step 4: Simplify right side
    807,452.79x = 541,832,424,170.98
  5. Step 5: Solve for x
    x = 541,832,424,170.98/807,452.79
  6. Step 6: Final answer
    x = 671,039.14

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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.