Home / 947,699.20-1,421,339.46-273,634.12

Finding the Fourth Proportional to 947,699.20, 1,421,339.46 and 273,634.12

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Solution

The fourth proportional to 947,699.20, 1,421,339.46 and 273,634.12 is: 410,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,699.20 : 1,421,339.46 = 273,634.12 : x
  2. Step 2: Convert to fraction form
    947,699.20/1,421,339.46 = 273,634.12/x
  3. Step 3: Cross multiply
    947,699.20x = 1,421,339.46 × 273,634.12
  4. Step 4: Simplify right side
    947,699.20x = 388,926,972,358.38
  5. Step 5: Solve for x
    x = 388,926,972,358.38/947,699.20
  6. Step 6: Final answer
    x = 410,390.74

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Double scale
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1.5x scale

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.