Home / 769,252.19-1,061,631.92-425,155.31

Finding the Fourth Proportional to 769,252.19, 1,061,631.92 and 425,155.31

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Solution

The fourth proportional to 769,252.19, 1,061,631.92 and 425,155.31 is: 586,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,252.19 : 1,061,631.92 = 425,155.31 : x
  2. Step 2: Convert to fraction form
    769,252.19/1,061,631.92 = 425,155.31/x
  3. Step 3: Cross multiply
    769,252.19x = 1,061,631.92 × 425,155.31
  4. Step 4: Simplify right side
    769,252.19x = 451,358,442,412.01
  5. Step 5: Solve for x
    x = 451,358,442,412.01/769,252.19
  6. Step 6: Final answer
    x = 586,749.64

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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.