Home / 947,642.67-1,307,743.73-517,922.67

Finding the Fourth Proportional to 947,642.67, 1,307,743.73 and 517,922.67

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Solution

The fourth proportional to 947,642.67, 1,307,743.73 and 517,922.67 is: 714,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,642.67 : 1,307,743.73 = 517,922.67 : x
  2. Step 2: Convert to fraction form
    947,642.67/1,307,743.73 = 517,922.67/x
  3. Step 3: Cross multiply
    947,642.67x = 1,307,743.73 × 517,922.67
  4. Step 4: Simplify right side
    947,642.67x = 677,310,121,727.75
  5. Step 5: Solve for x
    x = 677,310,121,727.75/947,642.67
  6. Step 6: Final answer
    x = 714,731.56

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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.