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Finding the Fourth Proportional to 637,813, 880,142.34 and 351,317.08

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Solution

The fourth proportional to 637,813, 880,142.34 and 351,317.08 is: 484,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,813 : 880,142.34 = 351,317.08 : x
  2. Step 2: Convert to fraction form
    637,813/880,142.34 = 351,317.08/x
  3. Step 3: Cross multiply
    637,813x = 880,142.34 × 351,317.08
  4. Step 4: Simplify right side
    637,813x = 309,209,036,873.17
  5. Step 5: Solve for x
    x = 309,209,036,873.17/637,813
  6. Step 6: Final answer
    x = 484,795.76

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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.