Home / 981,027.42-1,353,938.07-551,325.66

Finding the Fourth Proportional to 981,027.42, 1,353,938.07 and 551,325.66

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Solution

The fourth proportional to 981,027.42, 1,353,938.07 and 551,325.66 is: 760,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,027.42 : 1,353,938.07 = 551,325.66 : x
  2. Step 2: Convert to fraction form
    981,027.42/1,353,938.07 = 551,325.66/x
  3. Step 3: Cross multiply
    981,027.42x = 1,353,938.07 × 551,325.66
  4. Step 4: Simplify right side
    981,027.42x = 746,460,800,041.88
  5. Step 5: Solve for x
    x = 746,460,800,041.88/981,027.42
  6. Step 6: Final answer
    x = 760,896.98

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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.