Home / 771,933.81-1,157,505.84-322,532.04

Finding the Fourth Proportional to 771,933.81, 1,157,505.84 and 322,532.04

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Solution

The fourth proportional to 771,933.81, 1,157,505.84 and 322,532.04 is: 483,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,933.81 : 1,157,505.84 = 322,532.04 : x
  2. Step 2: Convert to fraction form
    771,933.81/1,157,505.84 = 322,532.04/x
  3. Step 3: Cross multiply
    771,933.81x = 1,157,505.84 × 322,532.04
  4. Step 4: Simplify right side
    771,933.81x = 373,332,719,887.11
  5. Step 5: Solve for x
    x = 373,332,719,887.11/771,933.81
  6. Step 6: Final answer
    x = 483,633.07

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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.