Home / 869,504.69-1,304,477.80-270,470.36

Finding the Fourth Proportional to 869,504.69, 1,304,477.80 and 270,470.36

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Solution

The fourth proportional to 869,504.69, 1,304,477.80 and 270,470.36 is: 405,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,504.69 : 1,304,477.80 = 270,470.36 : x
  2. Step 2: Convert to fraction form
    869,504.69/1,304,477.80 = 270,470.36/x
  3. Step 3: Cross multiply
    869,504.69x = 1,304,477.80 × 270,470.36
  4. Step 4: Simplify right side
    869,504.69x = 352,822,582,763.03
  5. Step 5: Solve for x
    x = 352,822,582,763.03/869,504.69
  6. Step 6: Final answer
    x = 405,774.21

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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.