Home / 947,251.08-1,421,099.91-307,505.52

Finding the Fourth Proportional to 947,251.08, 1,421,099.91 and 307,505.52

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Solution

The fourth proportional to 947,251.08, 1,421,099.91 and 307,505.52 is: 461,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,251.08 : 1,421,099.91 = 307,505.52 : x
  2. Step 2: Convert to fraction form
    947,251.08/1,421,099.91 = 307,505.52/x
  3. Step 3: Cross multiply
    947,251.08x = 1,421,099.91 × 307,505.52
  4. Step 4: Simplify right side
    947,251.08x = 436,996,066,796.50
  5. Step 5: Solve for x
    x = 436,996,066,796.50/947,251.08
  6. Step 6: Final answer
    x = 461,330.77

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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.