Home / 808,904.80-1,213,357.20-247,866.40

Finding the Fourth Proportional to 808,904.80, 1,213,357.20 and 247,866.40

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Solution

The fourth proportional to 808,904.80, 1,213,357.20 and 247,866.40 is: 371,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,904.80 : 1,213,357.20 = 247,866.40 : x
  2. Step 2: Convert to fraction form
    808,904.80/1,213,357.20 = 247,866.40/x
  3. Step 3: Cross multiply
    808,904.80x = 1,213,357.20 × 247,866.40
  4. Step 4: Simplify right side
    808,904.80x = 300,750,481,078.08
  5. Step 5: Solve for x
    x = 300,750,481,078.08/808,904.80
  6. Step 6: Final answer
    x = 371,799.60

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1.5x scale

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.