Home / 696,922.20-1,045,383.30-276,143.40

Finding the Fourth Proportional to 696,922.20, 1,045,383.30 and 276,143.40

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Solution

The fourth proportional to 696,922.20, 1,045,383.30 and 276,143.40 is: 414,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,922.20 : 1,045,383.30 = 276,143.40 : x
  2. Step 2: Convert to fraction form
    696,922.20/1,045,383.30 = 276,143.40/x
  3. Step 3: Cross multiply
    696,922.20x = 1,045,383.30 × 276,143.40
  4. Step 4: Simplify right side
    696,922.20x = 288,675,698,765.22
  5. Step 5: Solve for x
    x = 288,675,698,765.22/696,922.20
  6. Step 6: Final answer
    x = 414,215.10

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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.