Home / 911,631.96-1,367,032.14-378,835.56

Finding the Fourth Proportional to 911,631.96, 1,367,032.14 and 378,835.56

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Solution

The fourth proportional to 911,631.96, 1,367,032.14 and 378,835.56 is: 568,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,631.96 : 1,367,032.14 = 378,835.56 : x
  2. Step 2: Convert to fraction form
    911,631.96/1,367,032.14 = 378,835.56/x
  3. Step 3: Cross multiply
    911,631.96x = 1,367,032.14 × 378,835.56
  4. Step 4: Simplify right side
    911,631.96x = 517,880,386,294.90
  5. Step 5: Solve for x
    x = 517,880,386,294.90/911,631.96
  6. Step 6: Final answer
    x = 568,080.55

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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.