Home / 509,017.07-763,264.43-269,260.38

Finding the Fourth Proportional to 509,017.07, 763,264.43 and 269,260.38

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Solution

The fourth proportional to 509,017.07, 763,264.43 and 269,260.38 is: 403,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,017.07 : 763,264.43 = 269,260.38 : x
  2. Step 2: Convert to fraction form
    509,017.07/763,264.43 = 269,260.38/x
  3. Step 3: Cross multiply
    509,017.07x = 763,264.43 × 269,260.38
  4. Step 4: Simplify right side
    509,017.07x = 205,516,869,115.98
  5. Step 5: Solve for x
    x = 205,516,869,115.98/509,017.07
  6. Step 6: Final answer
    x = 403,752.41

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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.