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Finding the Fourth Proportional to 804,578.90, 1,207,030.35 and 235,958.90

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Solution

The fourth proportional to 804,578.90, 1,207,030.35 and 235,958.90 is: 353,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,578.90 : 1,207,030.35 = 235,958.90 : x
  2. Step 2: Convert to fraction form
    804,578.90/1,207,030.35 = 235,958.90/x
  3. Step 3: Cross multiply
    804,578.90x = 1,207,030.35 × 235,958.90
  4. Step 4: Simplify right side
    804,578.90x = 284,809,553,652.62
  5. Step 5: Solve for x
    x = 284,809,553,652.62/804,578.90
  6. Step 6: Final answer
    x = 353,985.86

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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.