Home / 800,689.92-1,104,935.04-438,112.32

Finding the Fourth Proportional to 800,689.92, 1,104,935.04 and 438,112.32

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Solution

The fourth proportional to 800,689.92, 1,104,935.04 and 438,112.32 is: 604,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,689.92 : 1,104,935.04 = 438,112.32 : x
  2. Step 2: Convert to fraction form
    800,689.92/1,104,935.04 = 438,112.32/x
  3. Step 3: Cross multiply
    800,689.92x = 1,104,935.04 × 438,112.32
  4. Step 4: Simplify right side
    800,689.92x = 484,085,653,823.69
  5. Step 5: Solve for x
    x = 484,085,653,823.69/800,689.92
  6. Step 6: Final answer
    x = 604,585.67

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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.