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Finding the Fourth Proportional to 637,847.37, 880,231.55 and 351,366.77

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Solution

The fourth proportional to 637,847.37, 880,231.55 and 351,366.77 is: 484,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,847.37 : 880,231.55 = 351,366.77 : x
  2. Step 2: Convert to fraction form
    637,847.37/880,231.55 = 351,366.77/x
  3. Step 3: Cross multiply
    637,847.37x = 880,231.55 × 351,366.77
  4. Step 4: Simplify right side
    637,847.37x = 309,284,117,019.34
  5. Step 5: Solve for x
    x = 309,284,117,019.34/637,847.37
  6. Step 6: Final answer
    x = 484,887.34

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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.