Home / 683,291.70-1,024,961.85-209,976.30

Finding the Fourth Proportional to 683,291.70, 1,024,961.85 and 209,976.30

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Solution

The fourth proportional to 683,291.70, 1,024,961.85 and 209,976.30 is: 314,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,291.70 : 1,024,961.85 = 209,976.30 : x
  2. Step 2: Convert to fraction form
    683,291.70/1,024,961.85 = 209,976.30/x
  3. Step 3: Cross multiply
    683,291.70x = 1,024,961.85 × 209,976.30
  4. Step 4: Simplify right side
    683,291.70x = 215,217,696,904.16
  5. Step 5: Solve for x
    x = 215,217,696,904.16/683,291.70
  6. Step 6: Final answer
    x = 314,971.92

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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.