Home / 774,299.61-1,161,392.01-325,002.33

Finding the Fourth Proportional to 774,299.61, 1,161,392.01 and 325,002.33

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Solution

The fourth proportional to 774,299.61, 1,161,392.01 and 325,002.33 is: 487,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,299.61 : 1,161,392.01 = 325,002.33 : x
  2. Step 2: Convert to fraction form
    774,299.61/1,161,392.01 = 325,002.33/x
  3. Step 3: Cross multiply
    774,299.61x = 1,161,392.01 × 325,002.33
  4. Step 4: Simplify right side
    774,299.61x = 377,455,109,293.38
  5. Step 5: Solve for x
    x = 377,455,109,293.38/774,299.61
  6. Step 6: Final answer
    x = 487,479.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.