Home / 554,943.54-765,824.10-300,294.73

Finding the Fourth Proportional to 554,943.54, 765,824.10 and 300,294.73

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Solution

The fourth proportional to 554,943.54, 765,824.10 and 300,294.73 is: 414,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,943.54 : 765,824.10 = 300,294.73 : x
  2. Step 2: Convert to fraction form
    554,943.54/765,824.10 = 300,294.73/x
  3. Step 3: Cross multiply
    554,943.54x = 765,824.10 × 300,294.73
  4. Step 4: Simplify right side
    554,943.54x = 229,972,937,507.87
  5. Step 5: Solve for x
    x = 229,972,937,507.87/554,943.54
  6. Step 6: Final answer
    x = 414,407.81

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1.5x scale

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.