Home / 637,505.23-879,776.57-351,035.57

Finding the Fourth Proportional to 637,505.23, 879,776.57 and 351,035.57

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Solution

The fourth proportional to 637,505.23, 879,776.57 and 351,035.57 is: 484,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,505.23 : 879,776.57 = 351,035.57 : x
  2. Step 2: Convert to fraction form
    637,505.23/879,776.57 = 351,035.57/x
  3. Step 3: Cross multiply
    637,505.23x = 879,776.57 × 351,035.57
  4. Step 4: Simplify right side
    637,505.23x = 308,832,867,523.15
  5. Step 5: Solve for x
    x = 308,832,867,523.15/637,505.23
  6. Step 6: Final answer
    x = 484,439.74

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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.