Home / 947,226.63-1,419,882.57-407,834.76

Finding the Fourth Proportional to 947,226.63, 1,419,882.57 and 407,834.76

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Solution

The fourth proportional to 947,226.63, 1,419,882.57 and 407,834.76 is: 611,339.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,226.63 : 1,419,882.57 = 407,834.76 : x
  2. Step 2: Convert to fraction form
    947,226.63/1,419,882.57 = 407,834.76/x
  3. Step 3: Cross multiply
    947,226.63x = 1,419,882.57 × 407,834.76
  4. Step 4: Simplify right side
    947,226.63x = 579,077,467,164.13
  5. Step 5: Solve for x
    x = 579,077,467,164.13/947,226.63
  6. Step 6: Final answer
    x = 611,339.94

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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.