Home / 509,063.07-763,916.46-284,570.85

Finding the Fourth Proportional to 509,063.07, 763,916.46 and 284,570.85

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Solution

The fourth proportional to 509,063.07, 763,916.46 and 284,570.85 is: 427,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,063.07 : 763,916.46 = 284,570.85 : x
  2. Step 2: Convert to fraction form
    509,063.07/763,916.46 = 284,570.85/x
  3. Step 3: Cross multiply
    509,063.07x = 763,916.46 × 284,570.85
  4. Step 4: Simplify right side
    509,063.07x = 217,388,356,351.19
  5. Step 5: Solve for x
    x = 217,388,356,351.19/509,063.07
  6. Step 6: Final answer
    x = 427,036.19

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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.