Home / 769,053.69-1,154,304.37-390,246.26

Finding the Fourth Proportional to 769,053.69, 1,154,304.37 and 390,246.26

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Solution

The fourth proportional to 769,053.69, 1,154,304.37 and 390,246.26 is: 585,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,053.69 : 1,154,304.37 = 390,246.26 : x
  2. Step 2: Convert to fraction form
    769,053.69/1,154,304.37 = 390,246.26/x
  3. Step 3: Cross multiply
    769,053.69x = 1,154,304.37 × 390,246.26
  4. Step 4: Simplify right side
    769,053.69x = 450,462,958,010.44
  5. Step 5: Solve for x
    x = 450,462,958,010.44/769,053.69
  6. Step 6: Final answer
    x = 585,736.68

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Double scale
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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.