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Finding the Fourth Proportional to 637,803.92, 880,165.32 and 351,317.36

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Solution

The fourth proportional to 637,803.92, 880,165.32 and 351,317.36 is: 484,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,803.92 : 880,165.32 = 351,317.36 : x
  2. Step 2: Convert to fraction form
    637,803.92/880,165.32 = 351,317.36/x
  3. Step 3: Cross multiply
    637,803.92x = 880,165.32 × 351,317.36
  4. Step 4: Simplify right side
    637,803.92x = 309,217,356,585.96
  5. Step 5: Solve for x
    x = 309,217,356,585.96/637,803.92
  6. Step 6: Final answer
    x = 484,815.70

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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.