Home / 748,628.40-1,122,942.60-571,481.40

Finding the Fourth Proportional to 748,628.40, 1,122,942.60 and 571,481.40

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Solution

The fourth proportional to 748,628.40, 1,122,942.60 and 571,481.40 is: 857,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,628.40 : 1,122,942.60 = 571,481.40 : x
  2. Step 2: Convert to fraction form
    748,628.40/1,122,942.60 = 571,481.40/x
  3. Step 3: Cross multiply
    748,628.40x = 1,122,942.60 × 571,481.40
  4. Step 4: Simplify right side
    748,628.40x = 641,740,809,167.64
  5. Step 5: Solve for x
    x = 641,740,809,167.64/748,628.40
  6. Step 6: Final answer
    x = 857,222.10

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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.