Home / 947,879.80-1,308,082.83-539,975.60

Finding the Fourth Proportional to 947,879.80, 1,308,082.83 and 539,975.60

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Solution

The fourth proportional to 947,879.80, 1,308,082.83 and 539,975.60 is: 745,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,879.80 : 1,308,082.83 = 539,975.60 : x
  2. Step 2: Convert to fraction form
    947,879.80/1,308,082.83 = 539,975.60/x
  3. Step 3: Cross multiply
    947,879.80x = 1,308,082.83 × 539,975.60
  4. Step 4: Simplify right side
    947,879.80x = 706,332,804,438.53
  5. Step 5: Solve for x
    x = 706,332,804,438.53/947,879.80
  6. Step 6: Final answer
    x = 745,171.28

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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.