Home / 674,742.12-1,012,165.36-225,464.55

Finding the Fourth Proportional to 674,742.12, 1,012,165.36 and 225,464.55

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Solution

The fourth proportional to 674,742.12, 1,012,165.36 and 225,464.55 is: 338,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,742.12 : 1,012,165.36 = 225,464.55 : x
  2. Step 2: Convert to fraction form
    674,742.12/1,012,165.36 = 225,464.55/x
  3. Step 3: Cross multiply
    674,742.12x = 1,012,165.36 × 225,464.55
  4. Step 4: Simplify right side
    674,742.12x = 228,207,407,011.71
  5. Step 5: Solve for x
    x = 228,207,407,011.71/674,742.12
  6. Step 6: Final answer
    x = 338,214.26

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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.