Home / 750,081.59-1,035,103.84-405,909.56

Finding the Fourth Proportional to 750,081.59, 1,035,103.84 and 405,909.56

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Solution

The fourth proportional to 750,081.59, 1,035,103.84 and 405,909.56 is: 560,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,081.59 : 1,035,103.84 = 405,909.56 : x
  2. Step 2: Convert to fraction form
    750,081.59/1,035,103.84 = 405,909.56/x
  3. Step 3: Cross multiply
    750,081.59x = 1,035,103.84 × 405,909.56
  4. Step 4: Simplify right side
    750,081.59x = 420,158,546,349.60
  5. Step 5: Solve for x
    x = 420,158,546,349.60/750,081.59
  6. Step 6: Final answer
    x = 560,150.45

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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.