Home / 810,432.08-1,215,555.96-219,410

Finding the Fourth Proportional to 810,432.08, 1,215,555.96 and 219,410

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Solution

The fourth proportional to 810,432.08, 1,215,555.96 and 219,410 is: 329,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,432.08 : 1,215,555.96 = 219,410 : x
  2. Step 2: Convert to fraction form
    810,432.08/1,215,555.96 = 219,410/x
  3. Step 3: Cross multiply
    810,432.08x = 1,215,555.96 × 219,410
  4. Step 4: Simplify right side
    810,432.08x = 266,705,133,183.60
  5. Step 5: Solve for x
    x = 266,705,133,183.60/810,432.08
  6. Step 6: Final answer
    x = 329,090.05

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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.