Home / 790,390.24-1,185,586.14-369,961.36

Finding the Fourth Proportional to 790,390.24, 1,185,586.14 and 369,961.36

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Solution

The fourth proportional to 790,390.24, 1,185,586.14 and 369,961.36 is: 554,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,390.24 : 1,185,586.14 = 369,961.36 : x
  2. Step 2: Convert to fraction form
    790,390.24/1,185,586.14 = 369,961.36/x
  3. Step 3: Cross multiply
    790,390.24x = 1,185,586.14 × 369,961.36
  4. Step 4: Simplify right side
    790,390.24x = 438,621,060,751.55
  5. Step 5: Solve for x
    x = 438,621,060,751.55/790,390.24
  6. Step 6: Final answer
    x = 554,942.41

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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.