Home / 674,920.80-1,012,397.40-201,621.60

Finding the Fourth Proportional to 674,920.80, 1,012,397.40 and 201,621.60

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Solution

The fourth proportional to 674,920.80, 1,012,397.40 and 201,621.60 is: 302,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,920.80 : 1,012,397.40 = 201,621.60 : x
  2. Step 2: Convert to fraction form
    674,920.80/1,012,397.40 = 201,621.60/x
  3. Step 3: Cross multiply
    674,920.80x = 1,012,397.40 × 201,621.60
  4. Step 4: Simplify right side
    674,920.80x = 204,121,183,623.84
  5. Step 5: Solve for x
    x = 204,121,183,623.84/674,920.80
  6. Step 6: Final answer
    x = 302,437.24

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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.