Home / 982,898.25-1,355,879.37-676,442.60

Finding the Fourth Proportional to 982,898.25, 1,355,879.37 and 676,442.60

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Solution

The fourth proportional to 982,898.25, 1,355,879.37 and 676,442.60 is: 933,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,898.25 : 1,355,879.37 = 676,442.60 : x
  2. Step 2: Convert to fraction form
    982,898.25/1,355,879.37 = 676,442.60/x
  3. Step 3: Cross multiply
    982,898.25x = 1,355,879.37 × 676,442.60
  4. Step 4: Simplify right side
    982,898.25x = 917,174,556,167.55
  5. Step 5: Solve for x
    x = 917,174,556,167.55/982,898.25
  6. Step 6: Final answer
    x = 933,132.76

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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.