Home / 346,787.20-519,403.20-284,579.20

Finding the Fourth Proportional to 346,787.20, 519,403.20 and 284,579.20

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Solution

The fourth proportional to 346,787.20, 519,403.20 and 284,579.20 is: 426,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,787.20 : 519,403.20 = 284,579.20 : x
  2. Step 2: Convert to fraction form
    346,787.20/519,403.20 = 284,579.20/x
  3. Step 3: Cross multiply
    346,787.20x = 519,403.20 × 284,579.20
  4. Step 4: Simplify right side
    346,787.20x = 147,811,347,133.44
  5. Step 5: Solve for x
    x = 147,811,347,133.44/346,787.20
  6. Step 6: Final answer
    x = 426,230.69

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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.