Home / 793,487.72-1,189,856.36-307,397.54

Finding the Fourth Proportional to 793,487.72, 1,189,856.36 and 307,397.54

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Solution

The fourth proportional to 793,487.72, 1,189,856.36 and 307,397.54 is: 460,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,487.72 : 1,189,856.36 = 307,397.54 : x
  2. Step 2: Convert to fraction form
    793,487.72/1,189,856.36 = 307,397.54/x
  3. Step 3: Cross multiply
    793,487.72x = 1,189,856.36 × 307,397.54
  4. Step 4: Simplify right side
    793,487.72x = 365,758,921,760.49
  5. Step 5: Solve for x
    x = 365,758,921,760.49/793,487.72
  6. Step 6: Final answer
    x = 460,950.95

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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.