Home / 769,433.91-1,061,873.74-425,262.45

Finding the Fourth Proportional to 769,433.91, 1,061,873.74 and 425,262.45

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Solution

The fourth proportional to 769,433.91, 1,061,873.74 and 425,262.45 is: 586,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,433.91 : 1,061,873.74 = 425,262.45 : x
  2. Step 2: Convert to fraction form
    769,433.91/1,061,873.74 = 425,262.45/x
  3. Step 3: Cross multiply
    769,433.91x = 1,061,873.74 × 425,262.45
  4. Step 4: Simplify right side
    769,433.91x = 451,575,028,263.06
  5. Step 5: Solve for x
    x = 451,575,028,263.06/769,433.91
  6. Step 6: Final answer
    x = 586,892.55

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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.