Home / 790,389.24-1,185,584.64-369,960.36

Finding the Fourth Proportional to 790,389.24, 1,185,584.64 and 369,960.36

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Solution

The fourth proportional to 790,389.24, 1,185,584.64 and 369,960.36 is: 554,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,389.24 : 1,185,584.64 = 369,960.36 : x
  2. Step 2: Convert to fraction form
    790,389.24/1,185,584.64 = 369,960.36/x
  3. Step 3: Cross multiply
    790,389.24x = 1,185,584.64 × 369,960.36
  4. Step 4: Simplify right side
    790,389.24x = 438,619,320,224.87
  5. Step 5: Solve for x
    x = 438,619,320,224.87/790,389.24
  6. Step 6: Final answer
    x = 554,940.91

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1.5x scale

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.