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Finding the Fourth Proportional to 805,355.82, 1,208,041.01 and 244,390.32

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Solution

The fourth proportional to 805,355.82, 1,208,041.01 and 244,390.32 is: 366,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,355.82 : 1,208,041.01 = 244,390.32 : x
  2. Step 2: Convert to fraction form
    805,355.82/1,208,041.01 = 244,390.32/x
  3. Step 3: Cross multiply
    805,355.82x = 1,208,041.01 × 244,390.32
  4. Step 4: Simplify right side
    805,355.82x = 295,233,527,785.07
  5. Step 5: Solve for x
    x = 295,233,527,785.07/805,355.82
  6. Step 6: Final answer
    x = 366,587.69

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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.