Home / 800,690.92-1,104,936.42-438,113.32

Finding the Fourth Proportional to 800,690.92, 1,104,936.42 and 438,113.32

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Solution

The fourth proportional to 800,690.92, 1,104,936.42 and 438,113.32 is: 604,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,690.92 : 1,104,936.42 = 438,113.32 : x
  2. Step 2: Convert to fraction form
    800,690.92/1,104,936.42 = 438,113.32/x
  3. Step 3: Cross multiply
    800,690.92x = 1,104,936.42 × 438,113.32
  4. Step 4: Simplify right side
    800,690.92x = 484,087,363,355.11
  5. Step 5: Solve for x
    x = 484,087,363,355.11/800,690.92
  6. Step 6: Final answer
    x = 604,587.05

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Double scale
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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.