Home / 683,980.40-1,026,022.20-204,170.34

Finding the Fourth Proportional to 683,980.40, 1,026,022.20 and 204,170.34

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Solution

The fourth proportional to 683,980.40, 1,026,022.20 and 204,170.34 is: 306,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,980.40 : 1,026,022.20 = 204,170.34 : x
  2. Step 2: Convert to fraction form
    683,980.40/1,026,022.20 = 204,170.34/x
  3. Step 3: Cross multiply
    683,980.40x = 1,026,022.20 × 204,170.34
  4. Step 4: Simplify right side
    683,980.40x = 209,483,301,421.55
  5. Step 5: Solve for x
    x = 209,483,301,421.55/683,980.40
  6. Step 6: Final answer
    x = 306,270.91

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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.