Home / 377,771.20-565,344.60-346,278.40

Finding the Fourth Proportional to 377,771.20, 565,344.60 and 346,278.40

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Solution

The fourth proportional to 377,771.20, 565,344.60 and 346,278.40 is: 518,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,771.20 : 565,344.60 = 346,278.40 : x
  2. Step 2: Convert to fraction form
    377,771.20/565,344.60 = 346,278.40/x
  3. Step 3: Cross multiply
    377,771.20x = 565,344.60 × 346,278.40
  4. Step 4: Simplify right side
    377,771.20x = 195,766,623,536.64
  5. Step 5: Solve for x
    x = 195,766,623,536.64/377,771.20
  6. Step 6: Final answer
    x = 518,214.79

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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.