Home / 494,810.76-742,437.57-284,448.69

Finding the Fourth Proportional to 494,810.76, 742,437.57 and 284,448.69

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Solution

The fourth proportional to 494,810.76, 742,437.57 and 284,448.69 is: 426,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,810.76 : 742,437.57 = 284,448.69 : x
  2. Step 2: Convert to fraction form
    494,810.76/742,437.57 = 284,448.69/x
  3. Step 3: Cross multiply
    494,810.76x = 742,437.57 × 284,448.69
  4. Step 4: Simplify right side
    494,810.76x = 211,185,394,193.28
  5. Step 5: Solve for x
    x = 211,185,394,193.28/494,810.76
  6. Step 6: Final answer
    x = 426,800.33

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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.