Home / 947,755.65-1,421,882.47-340,605.27

Finding the Fourth Proportional to 947,755.65, 1,421,882.47 and 340,605.27

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Solution

The fourth proportional to 947,755.65, 1,421,882.47 and 340,605.27 is: 510,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,755.65 : 1,421,882.47 = 340,605.27 : x
  2. Step 2: Convert to fraction form
    947,755.65/1,421,882.47 = 340,605.27/x
  3. Step 3: Cross multiply
    947,755.65x = 1,421,882.47 × 340,605.27
  4. Step 4: Simplify right side
    947,755.65x = 484,300,663,028.37
  5. Step 5: Solve for x
    x = 484,300,663,028.37/947,755.65
  6. Step 6: Final answer
    x = 510,997.39

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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.