Home / 469,828.38-704,530.89-280,376.22

Finding the Fourth Proportional to 469,828.38, 704,530.89 and 280,376.22

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Solution

The fourth proportional to 469,828.38, 704,530.89 and 280,376.22 is: 420,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,828.38 : 704,530.89 = 280,376.22 : x
  2. Step 2: Convert to fraction form
    469,828.38/704,530.89 = 280,376.22/x
  3. Step 3: Cross multiply
    469,828.38x = 704,530.89 × 280,376.22
  4. Step 4: Simplify right side
    469,828.38x = 197,533,707,811.44
  5. Step 5: Solve for x
    x = 197,533,707,811.44/469,828.38
  6. Step 6: Final answer
    x = 420,438.01

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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.