Home / 750,551.45-1,035,759.50-406,387.71

Finding the Fourth Proportional to 750,551.45, 1,035,759.50 and 406,387.71

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Solution

The fourth proportional to 750,551.45, 1,035,759.50 and 406,387.71 is: 560,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,551.45 : 1,035,759.50 = 406,387.71 : x
  2. Step 2: Convert to fraction form
    750,551.45/1,035,759.50 = 406,387.71/x
  3. Step 3: Cross multiply
    750,551.45x = 1,035,759.50 × 406,387.71
  4. Step 4: Simplify right side
    750,551.45x = 420,919,929,283.81
  5. Step 5: Solve for x
    x = 420,919,929,283.81/750,551.45
  6. Step 6: Final answer
    x = 560,814.23

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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.