Home / 809,794.80-1,215,786.60-473,180.40

Finding the Fourth Proportional to 809,794.80, 1,215,786.60 and 473,180.40

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Solution

The fourth proportional to 809,794.80, 1,215,786.60 and 473,180.40 is: 710,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,794.80 : 1,215,786.60 = 473,180.40 : x
  2. Step 2: Convert to fraction form
    809,794.80/1,215,786.60 = 473,180.40/x
  3. Step 3: Cross multiply
    809,794.80x = 1,215,786.60 × 473,180.40
  4. Step 4: Simplify right side
    809,794.80x = 575,286,389,702.64
  5. Step 5: Solve for x
    x = 575,286,389,702.64/809,794.80
  6. Step 6: Final answer
    x = 710,410.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.