Home / 823,862.80-1,235,794.20-469,968.40

Finding the Fourth Proportional to 823,862.80, 1,235,794.20 and 469,968.40

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Solution

The fourth proportional to 823,862.80, 1,235,794.20 and 469,968.40 is: 704,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,862.80 : 1,235,794.20 = 469,968.40 : x
  2. Step 2: Convert to fraction form
    823,862.80/1,235,794.20 = 469,968.40/x
  3. Step 3: Cross multiply
    823,862.80x = 1,235,794.20 × 469,968.40
  4. Step 4: Simplify right side
    823,862.80x = 580,784,222,903.28
  5. Step 5: Solve for x
    x = 580,784,222,903.28/823,862.80
  6. Step 6: Final answer
    x = 704,952.60

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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.