Home / 390,241.13-584,895.74-200,792.25

Finding the Fourth Proportional to 390,241.13, 584,895.74 and 200,792.25

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Solution

The fourth proportional to 390,241.13, 584,895.74 and 200,792.25 is: 300,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,241.13 : 584,895.74 = 200,792.25 : x
  2. Step 2: Convert to fraction form
    390,241.13/584,895.74 = 200,792.25/x
  3. Step 3: Cross multiply
    390,241.13x = 584,895.74 × 200,792.25
  4. Step 4: Simplify right side
    390,241.13x = 117,442,530,646.05
  5. Step 5: Solve for x
    x = 117,442,530,646.05/390,241.13
  6. Step 6: Final answer
    x = 300,948.63

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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.