Home / 698,473.44-1,047,903.52-278,044.48

Finding the Fourth Proportional to 698,473.44, 1,047,903.52 and 278,044.48

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Solution

The fourth proportional to 698,473.44, 1,047,903.52 and 278,044.48 is: 417,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,473.44 : 1,047,903.52 = 278,044.48 : x
  2. Step 2: Convert to fraction form
    698,473.44/1,047,903.52 = 278,044.48/x
  3. Step 3: Cross multiply
    698,473.44x = 1,047,903.52 × 278,044.48
  4. Step 4: Simplify right side
    698,473.44x = 291,363,789,308.57
  5. Step 5: Solve for x
    x = 291,363,789,308.57/698,473.44
  6. Step 6: Final answer
    x = 417,143.69

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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.