Home / 637,557.62-879,825.15-351,075.38

Finding the Fourth Proportional to 637,557.62, 879,825.15 and 351,075.38

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Solution

The fourth proportional to 637,557.62, 879,825.15 and 351,075.38 is: 484,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,557.62 : 879,825.15 = 351,075.38 : x
  2. Step 2: Convert to fraction form
    637,557.62/879,825.15 = 351,075.38/x
  3. Step 3: Cross multiply
    637,557.62x = 879,825.15 × 351,075.38
  4. Step 4: Simplify right side
    637,557.62x = 308,884,944,470.68
  5. Step 5: Solve for x
    x = 308,884,944,470.68/637,557.62
  6. Step 6: Final answer
    x = 484,481.62

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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.