Home / 793,285.73-1,190,401.43-287,886.21

Finding the Fourth Proportional to 793,285.73, 1,190,401.43 and 287,886.21

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Solution

The fourth proportional to 793,285.73, 1,190,401.43 and 287,886.21 is: 432,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,285.73 : 1,190,401.43 = 287,886.21 : x
  2. Step 2: Convert to fraction form
    793,285.73/1,190,401.43 = 287,886.21/x
  3. Step 3: Cross multiply
    793,285.73x = 1,190,401.43 × 287,886.21
  4. Step 4: Simplify right side
    793,285.73x = 342,700,155,125.21
  5. Step 5: Solve for x
    x = 342,700,155,125.21/793,285.73
  6. Step 6: Final answer
    x = 432,000.90

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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.