Home / 509,102.15-763,819.07-242,828.01

Finding the Fourth Proportional to 509,102.15, 763,819.07 and 242,828.01

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Solution

The fourth proportional to 509,102.15, 763,819.07 and 242,828.01 is: 364,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,102.15 : 763,819.07 = 242,828.01 : x
  2. Step 2: Convert to fraction form
    509,102.15/763,819.07 = 242,828.01/x
  3. Step 3: Cross multiply
    509,102.15x = 763,819.07 × 242,828.01
  4. Step 4: Simplify right side
    509,102.15x = 185,476,663,554.01
  5. Step 5: Solve for x
    x = 185,476,663,554.01/509,102.15
  6. Step 6: Final answer
    x = 364,321.12

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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.