Home / 936,989.28-1,405,746.72-376,417.44

Finding the Fourth Proportional to 936,989.28, 1,405,746.72 and 376,417.44

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Solution

The fourth proportional to 936,989.28, 1,405,746.72 and 376,417.44 is: 564,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,989.28 : 1,405,746.72 = 376,417.44 : x
  2. Step 2: Convert to fraction form
    936,989.28/1,405,746.72 = 376,417.44/x
  3. Step 3: Cross multiply
    936,989.28x = 1,405,746.72 × 376,417.44
  4. Step 4: Simplify right side
    936,989.28x = 529,147,581,630.80
  5. Step 5: Solve for x
    x = 529,147,581,630.80/936,989.28
  6. Step 6: Final answer
    x = 564,731.73

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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.