Home / 800,604.51-1,104,725.10-478,246.17

Finding the Fourth Proportional to 800,604.51, 1,104,725.10 and 478,246.17

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Solution

The fourth proportional to 800,604.51, 1,104,725.10 and 478,246.17 is: 659,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,604.51 : 1,104,725.10 = 478,246.17 : x
  2. Step 2: Convert to fraction form
    800,604.51/1,104,725.10 = 478,246.17/x
  3. Step 3: Cross multiply
    800,604.51x = 1,104,725.10 × 478,246.17
  4. Step 4: Simplify right side
    800,604.51x = 528,330,553,914.01
  5. Step 5: Solve for x
    x = 528,330,553,914.01/800,604.51
  6. Step 6: Final answer
    x = 659,914.54

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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.