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Finding the Fourth Proportional to 805,483.68, 1,208,751.17 and 300,448.66

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Solution

The fourth proportional to 805,483.68, 1,208,751.17 and 300,448.66 is: 450,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,483.68 : 1,208,751.17 = 300,448.66 : x
  2. Step 2: Convert to fraction form
    805,483.68/1,208,751.17 = 300,448.66/x
  3. Step 3: Cross multiply
    805,483.68x = 1,208,751.17 × 300,448.66
  4. Step 4: Simplify right side
    805,483.68x = 363,167,667,029.18
  5. Step 5: Solve for x
    x = 363,167,667,029.18/805,483.68
  6. Step 6: Final answer
    x = 450,869.06

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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.