Home / 966,420.20-1,449,111.90-404,820.20

Finding the Fourth Proportional to 966,420.20, 1,449,111.90 and 404,820.20

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Solution

The fourth proportional to 966,420.20, 1,449,111.90 and 404,820.20 is: 607,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,420.20 : 1,449,111.90 = 404,820.20 : x
  2. Step 2: Convert to fraction form
    966,420.20/1,449,111.90 = 404,820.20/x
  3. Step 3: Cross multiply
    966,420.20x = 1,449,111.90 × 404,820.20
  4. Step 4: Simplify right side
    966,420.20x = 586,629,769,180.38
  5. Step 5: Solve for x
    x = 586,629,769,180.38/966,420.20
  6. Step 6: Final answer
    x = 607,013.15

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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.