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Finding the Fourth Proportional to 800,604.65, 1,104,725.30 and 478,246.32

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Solution

The fourth proportional to 800,604.65, 1,104,725.30 and 478,246.32 is: 659,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,604.65 : 1,104,725.30 = 478,246.32 : x
  2. Step 2: Convert to fraction form
    800,604.65/1,104,725.30 = 478,246.32/x
  3. Step 3: Cross multiply
    800,604.65x = 1,104,725.30 × 478,246.32
  4. Step 4: Simplify right side
    800,604.65x = 528,330,801,421.04
  5. Step 5: Solve for x
    x = 528,330,801,421.04/800,604.65
  6. Step 6: Final answer
    x = 659,914.73

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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.