Home / 554,943.28-765,823.74-300,294.46

Finding the Fourth Proportional to 554,943.28, 765,823.74 and 300,294.46

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Solution

The fourth proportional to 554,943.28, 765,823.74 and 300,294.46 is: 414,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,943.28 : 765,823.74 = 300,294.46 : x
  2. Step 2: Convert to fraction form
    554,943.28/765,823.74 = 300,294.46/x
  3. Step 3: Cross multiply
    554,943.28x = 765,823.74 × 300,294.46
  4. Step 4: Simplify right side
    554,943.28x = 229,972,626,458.48
  5. Step 5: Solve for x
    x = 229,972,626,458.48/554,943.28
  6. Step 6: Final answer
    x = 414,407.44

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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.