Home / 554,963.03-765,849.65-300,314.21

Finding the Fourth Proportional to 554,963.03, 765,849.65 and 300,314.21

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Solution

The fourth proportional to 554,963.03, 765,849.65 and 300,314.21 is: 414,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,963.03 : 765,849.65 = 300,314.21 : x
  2. Step 2: Convert to fraction form
    554,963.03/765,849.65 = 300,314.21/x
  3. Step 3: Cross multiply
    554,963.03x = 765,849.65 × 300,314.21
  4. Step 4: Simplify right side
    554,963.03x = 229,995,527,287.71
  5. Step 5: Solve for x
    x = 229,995,527,287.71/554,963.03
  6. Step 6: Final answer
    x = 414,433.97

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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.