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Finding the Fourth Proportional to 637,812.24, 880,141.32 and 351,316.32

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Solution

The fourth proportional to 637,812.24, 880,141.32 and 351,316.32 is: 484,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,812.24 : 880,141.32 = 351,316.32 : x
  2. Step 2: Convert to fraction form
    637,812.24/880,141.32 = 351,316.32/x
  3. Step 3: Cross multiply
    637,812.24x = 880,141.32 × 351,316.32
  4. Step 4: Simplify right side
    637,812.24x = 309,208,009,622.34
  5. Step 5: Solve for x
    x = 309,208,009,622.34/637,812.24
  6. Step 6: Final answer
    x = 484,794.73

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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.