Home / 821,768.41-1,230,954.85-483,767.56

Finding the Fourth Proportional to 821,768.41, 1,230,954.85 and 483,767.56

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Solution

The fourth proportional to 821,768.41, 1,230,954.85 and 483,767.56 is: 724,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,768.41 : 1,230,954.85 = 483,767.56 : x
  2. Step 2: Convert to fraction form
    821,768.41/1,230,954.85 = 483,767.56/x
  3. Step 3: Cross multiply
    821,768.41x = 1,230,954.85 × 483,767.56
  4. Step 4: Simplify right side
    821,768.41x = 595,496,024,254.67
  5. Step 5: Solve for x
    x = 595,496,024,254.67/821,768.41
  6. Step 6: Final answer
    x = 724,651.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.