Home / 637,396.29-879,604.38-350,916.57

Finding the Fourth Proportional to 637,396.29, 879,604.38 and 350,916.57

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Solution

The fourth proportional to 637,396.29, 879,604.38 and 350,916.57 is: 484,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,396.29 : 879,604.38 = 350,916.57 : x
  2. Step 2: Convert to fraction form
    637,396.29/879,604.38 = 350,916.57/x
  3. Step 3: Cross multiply
    637,396.29x = 879,604.38 × 350,916.57
  4. Step 4: Simplify right side
    637,396.29x = 308,667,751,986.58
  5. Step 5: Solve for x
    x = 308,667,751,986.58/637,396.29
  6. Step 6: Final answer
    x = 484,263.49

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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.