Home / 750,053.26-1,035,065.61-405,881.66

Finding the Fourth Proportional to 750,053.26, 1,035,065.61 and 405,881.66

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Solution

The fourth proportional to 750,053.26, 1,035,065.61 and 405,881.66 is: 560,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,053.26 : 1,035,065.61 = 405,881.66 : x
  2. Step 2: Convert to fraction form
    750,053.26/1,035,065.61 = 405,881.66/x
  3. Step 3: Cross multiply
    750,053.26x = 1,035,065.61 × 405,881.66
  4. Step 4: Simplify right side
    750,053.26x = 420,114,147,995.71
  5. Step 5: Solve for x
    x = 420,114,147,995.71/750,053.26
  6. Step 6: Final answer
    x = 560,112.42

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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.