Home / 769,328.43-1,061,617.64-425,160.24

Finding the Fourth Proportional to 769,328.43, 1,061,617.64 and 425,160.24

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Solution

The fourth proportional to 769,328.43, 1,061,617.64 and 425,160.24 is: 586,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,328.43 : 1,061,617.64 = 425,160.24 : x
  2. Step 2: Convert to fraction form
    769,328.43/1,061,617.64 = 425,160.24/x
  3. Step 3: Cross multiply
    769,328.43x = 1,061,617.64 × 425,160.24
  4. Step 4: Simplify right side
    769,328.43x = 451,357,608,484.83
  5. Step 5: Solve for x
    x = 451,357,608,484.83/769,328.43
  6. Step 6: Final answer
    x = 586,690.41

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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.