Home / 753,404.44-1,039,709.31-409,247.08

Finding the Fourth Proportional to 753,404.44, 1,039,709.31 and 409,247.08

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Solution

The fourth proportional to 753,404.44, 1,039,709.31 and 409,247.08 is: 564,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,404.44 : 1,039,709.31 = 409,247.08 : x
  2. Step 2: Convert to fraction form
    753,404.44/1,039,709.31 = 409,247.08/x
  3. Step 3: Cross multiply
    753,404.44x = 1,039,709.31 × 409,247.08
  4. Step 4: Simplify right side
    753,404.44x = 425,497,999,166.32
  5. Step 5: Solve for x
    x = 425,497,999,166.32/753,404.44
  6. Step 6: Final answer
    x = 564,767.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.