Home / 683,003.20-1,024,504.80-648,011.20

Finding the Fourth Proportional to 683,003.20, 1,024,504.80 and 648,011.20

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Solution

The fourth proportional to 683,003.20, 1,024,504.80 and 648,011.20 is: 972,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,003.20 : 1,024,504.80 = 648,011.20 : x
  2. Step 2: Convert to fraction form
    683,003.20/1,024,504.80 = 648,011.20/x
  3. Step 3: Cross multiply
    683,003.20x = 1,024,504.80 × 648,011.20
  4. Step 4: Simplify right side
    683,003.20x = 663,890,584,853.76
  5. Step 5: Solve for x
    x = 663,890,584,853.76/683,003.20
  6. Step 6: Final answer
    x = 972,016.80

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1.5x scale

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.