Home / 637,563.68-879,837.78-351,083.06

Finding the Fourth Proportional to 637,563.68, 879,837.78 and 351,083.06

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Solution

The fourth proportional to 637,563.68, 879,837.78 and 351,083.06 is: 484,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,563.68 : 879,837.78 = 351,083.06 : x
  2. Step 2: Convert to fraction form
    637,563.68/879,837.78 = 351,083.06/x
  3. Step 3: Cross multiply
    637,563.68x = 879,837.78 × 351,083.06
  4. Step 4: Simplify right side
    637,563.68x = 308,896,140,106.01
  5. Step 5: Solve for x
    x = 308,896,140,106.01/637,563.68
  6. Step 6: Final answer
    x = 484,494.57

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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.