Home / 869,504.20-1,304,904.30-448,563.40

Finding the Fourth Proportional to 869,504.20, 1,304,904.30 and 448,563.40

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Solution

The fourth proportional to 869,504.20, 1,304,904.30 and 448,563.40 is: 673,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,504.20 : 1,304,904.30 = 448,563.40 : x
  2. Step 2: Convert to fraction form
    869,504.20/1,304,904.30 = 448,563.40/x
  3. Step 3: Cross multiply
    869,504.20x = 1,304,904.30 × 448,563.40
  4. Step 4: Simplify right side
    869,504.20x = 585,332,309,482.62
  5. Step 5: Solve for x
    x = 585,332,309,482.62/869,504.20
  6. Step 6: Final answer
    x = 673,179.39

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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.