Home / 750,386.98-1,035,532.92-406,221.22

Finding the Fourth Proportional to 750,386.98, 1,035,532.92 and 406,221.22

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Solution

The fourth proportional to 750,386.98, 1,035,532.92 and 406,221.22 is: 560,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,386.98 : 1,035,532.92 = 406,221.22 : x
  2. Step 2: Convert to fraction form
    750,386.98/1,035,532.92 = 406,221.22/x
  3. Step 3: Cross multiply
    750,386.98x = 1,035,532.92 × 406,221.22
  4. Step 4: Simplify right side
    750,386.98x = 420,655,448,930.31
  5. Step 5: Solve for x
    x = 420,655,448,930.31/750,386.98
  6. Step 6: Final answer
    x = 560,584.68

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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.