Home / 509,281.08-702,562.14-339,297.72

Finding the Fourth Proportional to 509,281.08, 702,562.14 and 339,297.72

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Solution

The fourth proportional to 509,281.08, 702,562.14 and 339,297.72 is: 468,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,281.08 : 702,562.14 = 339,297.72 : x
  2. Step 2: Convert to fraction form
    509,281.08/702,562.14 = 339,297.72/x
  3. Step 3: Cross multiply
    509,281.08x = 702,562.14 × 339,297.72
  4. Step 4: Simplify right side
    509,281.08x = 238,377,732,260.32
  5. Step 5: Solve for x
    x = 238,377,732,260.32/509,281.08
  6. Step 6: Final answer
    x = 468,067.13

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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.