Home / 750,448.61-1,035,619.47-406,284.61

Finding the Fourth Proportional to 750,448.61, 1,035,619.47 and 406,284.61

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Solution

The fourth proportional to 750,448.61, 1,035,619.47 and 406,284.61 is: 560,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,448.61 : 1,035,619.47 = 406,284.61 : x
  2. Step 2: Convert to fraction form
    750,448.61/1,035,619.47 = 406,284.61/x
  3. Step 3: Cross multiply
    750,448.61x = 1,035,619.47 × 406,284.61
  4. Step 4: Simplify right side
    750,448.61x = 420,756,247,299.26
  5. Step 5: Solve for x
    x = 420,756,247,299.26/750,448.61
  6. Step 6: Final answer
    x = 560,672.97

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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.