Home / 637,934.29-880,389.03-351,454.30

Finding the Fourth Proportional to 637,934.29, 880,389.03 and 351,454.30

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Solution

The fourth proportional to 637,934.29, 880,389.03 and 351,454.30 is: 485,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,934.29 : 880,389.03 = 351,454.30 : x
  2. Step 2: Convert to fraction form
    637,934.29/880,389.03 = 351,454.30/x
  3. Step 3: Cross multiply
    637,934.29x = 880,389.03 × 351,454.30
  4. Step 4: Simplify right side
    637,934.29x = 309,416,510,266.33
  5. Step 5: Solve for x
    x = 309,416,510,266.33/637,934.29
  6. Step 6: Final answer
    x = 485,028.81

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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.