Home / 555,226.82-766,214.73-300,577.40

Finding the Fourth Proportional to 555,226.82, 766,214.73 and 300,577.40

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Solution

The fourth proportional to 555,226.82, 766,214.73 and 300,577.40 is: 414,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,226.82 : 766,214.73 = 300,577.40 : x
  2. Step 2: Convert to fraction form
    555,226.82/766,214.73 = 300,577.40/x
  3. Step 3: Cross multiply
    555,226.82x = 766,214.73 × 300,577.40
  4. Step 4: Simplify right side
    555,226.82x = 230,306,831,385.10
  5. Step 5: Solve for x
    x = 230,306,831,385.10/555,226.82
  6. Step 6: Final answer
    x = 414,797.74

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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.