Home / 753,370.14-1,039,647.82-409,203.30

Finding the Fourth Proportional to 753,370.14, 1,039,647.82 and 409,203.30

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Solution

The fourth proportional to 753,370.14, 1,039,647.82 and 409,203.30 is: 564,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,370.14 : 1,039,647.82 = 409,203.30 : x
  2. Step 2: Convert to fraction form
    753,370.14/1,039,647.82 = 409,203.30/x
  3. Step 3: Cross multiply
    753,370.14x = 1,039,647.82 × 409,203.30
  4. Step 4: Simplify right side
    753,370.14x = 425,427,318,781.81
  5. Step 5: Solve for x
    x = 425,427,318,781.81/753,370.14
  6. Step 6: Final answer
    x = 564,698.94

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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.