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Finding the Fourth Proportional to 637,684.61, 880,044.56 and 351,204.62

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Solution

The fourth proportional to 637,684.61, 880,044.56 and 351,204.62 is: 484,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,684.61 : 880,044.56 = 351,204.62 : x
  2. Step 2: Convert to fraction form
    637,684.61/880,044.56 = 351,204.62/x
  3. Step 3: Cross multiply
    637,684.61x = 880,044.56 × 351,204.62
  4. Step 4: Simplify right side
    637,684.61x = 309,075,716,155.88
  5. Step 5: Solve for x
    x = 309,075,716,155.88/637,684.61
  6. Step 6: Final answer
    x = 484,684.30

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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.