Home / 771,601.12-1,157,401.81-322,076.77

Finding the Fourth Proportional to 771,601.12, 1,157,401.81 and 322,076.77

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Solution

The fourth proportional to 771,601.12, 1,157,401.81 and 322,076.77 is: 483,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,601.12 : 1,157,401.81 = 322,076.77 : x
  2. Step 2: Convert to fraction form
    771,601.12/1,157,401.81 = 322,076.77/x
  3. Step 3: Cross multiply
    771,601.12x = 1,157,401.81 × 322,076.77
  4. Step 4: Simplify right side
    771,601.12x = 372,772,234,066.05
  5. Step 5: Solve for x
    x = 372,772,234,066.05/771,601.12
  6. Step 6: Final answer
    x = 483,115.21

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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.