Home / 863,780.11-1,295,670.05-295,166.11

Finding the Fourth Proportional to 863,780.11, 1,295,670.05 and 295,166.11

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Solution

The fourth proportional to 863,780.11, 1,295,670.05 and 295,166.11 is: 442,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,780.11 : 1,295,670.05 = 295,166.11 : x
  2. Step 2: Convert to fraction form
    863,780.11/1,295,670.05 = 295,166.11/x
  3. Step 3: Cross multiply
    863,780.11x = 1,295,670.05 × 295,166.11
  4. Step 4: Simplify right side
    863,780.11x = 382,437,888,502.01
  5. Step 5: Solve for x
    x = 382,437,888,502.01/863,780.11
  6. Step 6: Final answer
    x = 442,749.13

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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.