Home / 683,224.80-1,024,837.20-209,909.40

Finding the Fourth Proportional to 683,224.80, 1,024,837.20 and 209,909.40

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Solution

The fourth proportional to 683,224.80, 1,024,837.20 and 209,909.40 is: 314,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,224.80 : 1,024,837.20 = 209,909.40 : x
  2. Step 2: Convert to fraction form
    683,224.80/1,024,837.20 = 209,909.40/x
  3. Step 3: Cross multiply
    683,224.80x = 1,024,837.20 × 209,909.40
  4. Step 4: Simplify right side
    683,224.80x = 215,122,961,749.68
  5. Step 5: Solve for x
    x = 215,122,961,749.68/683,224.80
  6. Step 6: Final answer
    x = 314,864.10

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Similar ratio
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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.