Home / 494,562.40-742,621.20-284,610.40

Finding the Fourth Proportional to 494,562.40, 742,621.20 and 284,610.40

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Solution

The fourth proportional to 494,562.40, 742,621.20 and 284,610.40 is: 427,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,562.40 : 742,621.20 = 284,610.40 : x
  2. Step 2: Convert to fraction form
    494,562.40/742,621.20 = 284,610.40/x
  3. Step 3: Cross multiply
    494,562.40x = 742,621.20 × 284,610.40
  4. Step 4: Simplify right side
    494,562.40x = 211,357,716,780.48
  5. Step 5: Solve for x
    x = 211,357,716,780.48/494,562.40
  6. Step 6: Final answer
    x = 427,363.09

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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.