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Finding the Fourth Proportional to 659,993.52, 910,790.82 and 358,187.52

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Solution

The fourth proportional to 659,993.52, 910,790.82 and 358,187.52 is: 494,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,993.52 : 910,790.82 = 358,187.52 : x
  2. Step 2: Convert to fraction form
    659,993.52/910,790.82 = 358,187.52/x
  3. Step 3: Cross multiply
    659,993.52x = 910,790.82 × 358,187.52
  4. Step 4: Simplify right side
    659,993.52x = 326,233,905,054.57
  5. Step 5: Solve for x
    x = 326,233,905,054.57/659,993.52
  6. Step 6: Final answer
    x = 494,298.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.