Home / 551,022.20-760,487.40-306,062

Finding the Fourth Proportional to 551,022.20, 760,487.40 and 306,062

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Solution

The fourth proportional to 551,022.20, 760,487.40 and 306,062 is: 422,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,022.20 : 760,487.40 = 306,062 : x
  2. Step 2: Convert to fraction form
    551,022.20/760,487.40 = 306,062/x
  3. Step 3: Cross multiply
    551,022.20x = 760,487.40 × 306,062
  4. Step 4: Simplify right side
    551,022.20x = 232,756,294,618.80
  5. Step 5: Solve for x
    x = 232,756,294,618.80/551,022.20
  6. Step 6: Final answer
    x = 422,408.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.