Home / 772,381.56-1,065,923.08-482,165.04

Finding the Fourth Proportional to 772,381.56, 1,065,923.08 and 482,165.04

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Solution

The fourth proportional to 772,381.56, 1,065,923.08 and 482,165.04 is: 665,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,381.56 : 1,065,923.08 = 482,165.04 : x
  2. Step 2: Convert to fraction form
    772,381.56/1,065,923.08 = 482,165.04/x
  3. Step 3: Cross multiply
    772,381.56x = 1,065,923.08 × 482,165.04
  4. Step 4: Simplify right side
    772,381.56x = 513,950,844,505.12
  5. Step 5: Solve for x
    x = 513,950,844,505.12/772,381.56
  6. Step 6: Final answer
    x = 665,410.56

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Double scale
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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.