Home / 769,418.02-1,061,763.83-425,236.16

Finding the Fourth Proportional to 769,418.02, 1,061,763.83 and 425,236.16

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Solution

The fourth proportional to 769,418.02, 1,061,763.83 and 425,236.16 is: 586,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,418.02 : 1,061,763.83 = 425,236.16 : x
  2. Step 2: Convert to fraction form
    769,418.02/1,061,763.83 = 425,236.16/x
  3. Step 3: Cross multiply
    769,418.02x = 1,061,763.83 × 425,236.16
  4. Step 4: Simplify right side
    769,418.02x = 451,500,376,018.96
  5. Step 5: Solve for x
    x = 451,500,376,018.96/769,418.02
  6. Step 6: Final answer
    x = 586,807.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.