Home / 750,448.85-1,035,619.82-406,284.86

Finding the Fourth Proportional to 750,448.85, 1,035,619.82 and 406,284.86

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Solution

The fourth proportional to 750,448.85, 1,035,619.82 and 406,284.86 is: 560,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,448.85 : 1,035,619.82 = 406,284.86 : x
  2. Step 2: Convert to fraction form
    750,448.85/1,035,619.82 = 406,284.86/x
  3. Step 3: Cross multiply
    750,448.85x = 1,035,619.82 × 406,284.86
  4. Step 4: Simplify right side
    750,448.85x = 420,756,646,372.40
  5. Step 5: Solve for x
    x = 420,756,646,372.40/750,448.85
  6. Step 6: Final answer
    x = 560,673.32

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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.