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Finding the Fourth Proportional to 637,754.85, 880,101.55 and 351,274.94

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Solution

The fourth proportional to 637,754.85, 880,101.55 and 351,274.94 is: 484,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,754.85 : 880,101.55 = 351,274.94 : x
  2. Step 2: Convert to fraction form
    637,754.85/880,101.55 = 351,274.94/x
  3. Step 3: Cross multiply
    637,754.85x = 880,101.55 × 351,274.94
  4. Step 4: Simplify right side
    637,754.85x = 309,157,619,170.16
  5. Step 5: Solve for x
    x = 309,157,619,170.16/637,754.85
  6. Step 6: Final answer
    x = 484,759.34

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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.