Home / 769,516.65-1,061,899.79-425,334.69

Finding the Fourth Proportional to 769,516.65, 1,061,899.79 and 425,334.69

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Solution

The fourth proportional to 769,516.65, 1,061,899.79 and 425,334.69 is: 586,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,516.65 : 1,061,899.79 = 425,334.69 : x
  2. Step 2: Convert to fraction form
    769,516.65/1,061,899.79 = 425,334.69/x
  3. Step 3: Cross multiply
    769,516.65x = 1,061,899.79 × 425,334.69
  4. Step 4: Simplify right side
    769,516.65x = 451,662,815,864.04
  5. Step 5: Solve for x
    x = 451,662,815,864.04/769,516.65
  6. Step 6: Final answer
    x = 586,943.53

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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.