Home / 682,937.70-1,024,406.55-647,945.70

Finding the Fourth Proportional to 682,937.70, 1,024,406.55 and 647,945.70

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Solution

The fourth proportional to 682,937.70, 1,024,406.55 and 647,945.70 is: 971,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,937.70 : 1,024,406.55 = 647,945.70 : x
  2. Step 2: Convert to fraction form
    682,937.70/1,024,406.55 = 647,945.70/x
  3. Step 3: Cross multiply
    682,937.70x = 1,024,406.55 × 647,945.70
  4. Step 4: Simplify right side
    682,937.70x = 663,759,819,124.34
  5. Step 5: Solve for x
    x = 663,759,819,124.34/682,937.70
  6. Step 6: Final answer
    x = 971,918.55

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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.