Home / 947,179.72-1,307,168.34-539,317.20

Finding the Fourth Proportional to 947,179.72, 1,307,168.34 and 539,317.20

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Solution

The fourth proportional to 947,179.72, 1,307,168.34 and 539,317.20 is: 744,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,179.72 : 1,307,168.34 = 539,317.20 : x
  2. Step 2: Convert to fraction form
    947,179.72/1,307,168.34 = 539,317.20/x
  3. Step 3: Cross multiply
    947,179.72x = 1,307,168.34 × 539,317.20
  4. Step 4: Simplify right side
    947,179.72x = 704,978,369,057.45
  5. Step 5: Solve for x
    x = 704,978,369,057.45/947,179.72
  6. Step 6: Final answer
    x = 744,292.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.