Home / 509,329.13-702,896.06-282,974.63

Finding the Fourth Proportional to 509,329.13, 702,896.06 and 282,974.63

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Solution

The fourth proportional to 509,329.13, 702,896.06 and 282,974.63 is: 390,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,329.13 : 702,896.06 = 282,974.63 : x
  2. Step 2: Convert to fraction form
    509,329.13/702,896.06 = 282,974.63/x
  3. Step 3: Cross multiply
    509,329.13x = 702,896.06 × 282,974.63
  4. Step 4: Simplify right side
    509,329.13x = 198,901,749,699.91
  5. Step 5: Solve for x
    x = 198,901,749,699.91/509,329.13
  6. Step 6: Final answer
    x = 390,517.13

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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.