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Finding the Fourth Proportional to 637,504.73, 879,775.88 and 351,035.07

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Solution

The fourth proportional to 637,504.73, 879,775.88 and 351,035.07 is: 484,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,504.73 : 879,775.88 = 351,035.07 : x
  2. Step 2: Convert to fraction form
    637,504.73/879,775.88 = 351,035.07/x
  3. Step 3: Cross multiply
    637,504.73x = 879,775.88 × 351,035.07
  4. Step 4: Simplify right side
    637,504.73x = 308,832,184,540.35
  5. Step 5: Solve for x
    x = 308,832,184,540.35/637,504.73
  6. Step 6: Final answer
    x = 484,439.05

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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.