Home / 540,772.96-811,273.66-203,806.48

Finding the Fourth Proportional to 540,772.96, 811,273.66 and 203,806.48

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Solution

The fourth proportional to 540,772.96, 811,273.66 and 203,806.48 is: 305,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,772.96 : 811,273.66 = 203,806.48 : x
  2. Step 2: Convert to fraction form
    540,772.96/811,273.66 = 203,806.48/x
  3. Step 3: Cross multiply
    540,772.96x = 811,273.66 × 203,806.48
  4. Step 4: Simplify right side
    540,772.96x = 165,342,828,961.32
  5. Step 5: Solve for x
    x = 165,342,828,961.32/540,772.96
  6. Step 6: Final answer
    x = 305,752.77

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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.