Home / 637,799.40-880,161.96-351,338.76

Finding the Fourth Proportional to 637,799.40, 880,161.96 and 351,338.76

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Solution

The fourth proportional to 637,799.40, 880,161.96 and 351,338.76 is: 484,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,799.40 : 880,161.96 = 351,338.76 : x
  2. Step 2: Convert to fraction form
    637,799.40/880,161.96 = 351,338.76/x
  3. Step 3: Cross multiply
    637,799.40x = 880,161.96 × 351,338.76
  4. Step 4: Simplify right side
    637,799.40x = 309,235,011,625.57
  5. Step 5: Solve for x
    x = 309,235,011,625.57/637,799.40
  6. Step 6: Final answer
    x = 484,846.82

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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.