Home / 790,503.70-1,185,578.08-363,629.56

Finding the Fourth Proportional to 790,503.70, 1,185,578.08 and 363,629.56

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Solution

The fourth proportional to 790,503.70, 1,185,578.08 and 363,629.56 is: 545,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,503.70 : 1,185,578.08 = 363,629.56 : x
  2. Step 2: Convert to fraction form
    790,503.70/1,185,578.08 = 363,629.56/x
  3. Step 3: Cross multiply
    790,503.70x = 1,185,578.08 × 363,629.56
  4. Step 4: Simplify right side
    790,503.70x = 431,111,235,576.05
  5. Step 5: Solve for x
    x = 431,111,235,576.05/790,503.70
  6. Step 6: Final answer
    x = 545,362.70

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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.