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Finding the Fourth Proportional to 637,804, 880,169.52 and 351,323.20

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Solution

The fourth proportional to 637,804, 880,169.52 and 351,323.20 is: 484,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,804 : 880,169.52 = 351,323.20 : x
  2. Step 2: Convert to fraction form
    637,804/880,169.52 = 351,323.20/x
  3. Step 3: Cross multiply
    637,804x = 880,169.52 × 351,323.20
  4. Step 4: Simplify right side
    637,804x = 309,223,972,308.86
  5. Step 5: Solve for x
    x = 309,223,972,308.86/637,804
  6. Step 6: Final answer
    x = 484,826.02

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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.