Home / 346,474.20-518,933.70-284,266.20

Finding the Fourth Proportional to 346,474.20, 518,933.70 and 284,266.20

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Solution

The fourth proportional to 346,474.20, 518,933.70 and 284,266.20 is: 425,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,474.20 : 518,933.70 = 284,266.20 : x
  2. Step 2: Convert to fraction form
    346,474.20/518,933.70 = 284,266.20/x
  3. Step 3: Cross multiply
    346,474.20x = 518,933.70 × 284,266.20
  4. Step 4: Simplify right side
    346,474.20x = 147,515,310,950.94
  5. Step 5: Solve for x
    x = 147,515,310,950.94/346,474.20
  6. Step 6: Final answer
    x = 425,761.31

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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.