Home / 750,073.86-1,035,094.61-405,902.43

Finding the Fourth Proportional to 750,073.86, 1,035,094.61 and 405,902.43

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Solution

The fourth proportional to 750,073.86, 1,035,094.61 and 405,902.43 is: 560,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,073.86 : 1,035,094.61 = 405,902.43 : x
  2. Step 2: Convert to fraction form
    750,073.86/1,035,094.61 = 405,902.43/x
  3. Step 3: Cross multiply
    750,073.86x = 1,035,094.61 × 405,902.43
  4. Step 4: Simplify right side
    750,073.86x = 420,147,415,449.39
  5. Step 5: Solve for x
    x = 420,147,415,449.39/750,073.86
  6. Step 6: Final answer
    x = 560,141.39

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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.