Home / 674,929.20-1,012,405.80-201,620.40

Finding the Fourth Proportional to 674,929.20, 1,012,405.80 and 201,620.40

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Solution

The fourth proportional to 674,929.20, 1,012,405.80 and 201,620.40 is: 302,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,929.20 : 1,012,405.80 = 201,620.40 : x
  2. Step 2: Convert to fraction form
    674,929.20/1,012,405.80 = 201,620.40/x
  3. Step 3: Cross multiply
    674,929.20x = 1,012,405.80 × 201,620.40
  4. Step 4: Simplify right side
    674,929.20x = 204,121,662,358.32
  5. Step 5: Solve for x
    x = 204,121,662,358.32/674,929.20
  6. Step 6: Final answer
    x = 302,434.18

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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.