Home / 769,322.31-1,061,609.16-425,154.12

Finding the Fourth Proportional to 769,322.31, 1,061,609.16 and 425,154.12

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Solution

The fourth proportional to 769,322.31, 1,061,609.16 and 425,154.12 is: 586,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,322.31 : 1,061,609.16 = 425,154.12 : x
  2. Step 2: Convert to fraction form
    769,322.31/1,061,609.16 = 425,154.12/x
  3. Step 3: Cross multiply
    769,322.31x = 1,061,609.16 × 425,154.12
  4. Step 4: Simplify right side
    769,322.31x = 451,347,508,203.74
  5. Step 5: Solve for x
    x = 451,347,508,203.74/769,322.31
  6. Step 6: Final answer
    x = 586,681.94

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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.