Home / 947,115.14-1,421,233.19-348,496.66

Finding the Fourth Proportional to 947,115.14, 1,421,233.19 and 348,496.66

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Solution

The fourth proportional to 947,115.14, 1,421,233.19 and 348,496.66 is: 522,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,115.14 : 1,421,233.19 = 348,496.66 : x
  2. Step 2: Convert to fraction form
    947,115.14/1,421,233.19 = 348,496.66/x
  3. Step 3: Cross multiply
    947,115.14x = 1,421,233.19 × 348,496.66
  4. Step 4: Simplify right side
    947,115.14x = 495,295,021,137.07
  5. Step 5: Solve for x
    x = 495,295,021,137.07/947,115.14
  6. Step 6: Final answer
    x = 522,951.22

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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.