Home / 674,665.20-1,012,111.20-201,398.40

Finding the Fourth Proportional to 674,665.20, 1,012,111.20 and 201,398.40

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Solution

The fourth proportional to 674,665.20, 1,012,111.20 and 201,398.40 is: 302,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,665.20 : 1,012,111.20 = 201,398.40 : x
  2. Step 2: Convert to fraction form
    674,665.20/1,012,111.20 = 201,398.40/x
  3. Step 3: Cross multiply
    674,665.20x = 1,012,111.20 × 201,398.40
  4. Step 4: Simplify right side
    674,665.20x = 203,837,576,302.08
  5. Step 5: Solve for x
    x = 203,837,576,302.08/674,665.20
  6. Step 6: Final answer
    x = 302,131.45

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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.