Home / 451,950.47-623,983.81-280,050.85

Finding the Fourth Proportional to 451,950.47, 623,983.81 and 280,050.85

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Solution

The fourth proportional to 451,950.47, 623,983.81 and 280,050.85 is: 386,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,950.47 : 623,983.81 = 280,050.85 : x
  2. Step 2: Convert to fraction form
    451,950.47/623,983.81 = 280,050.85/x
  3. Step 3: Cross multiply
    451,950.47x = 623,983.81 × 280,050.85
  4. Step 4: Simplify right side
    451,950.47x = 174,747,196,376.74
  5. Step 5: Solve for x
    x = 174,747,196,376.74/451,950.47
  6. Step 6: Final answer
    x = 386,651.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.