Home / 771,603.62-1,157,405.57-322,079.27

Finding the Fourth Proportional to 771,603.62, 1,157,405.57 and 322,079.27

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Solution

The fourth proportional to 771,603.62, 1,157,405.57 and 322,079.27 is: 483,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,603.62 : 1,157,405.57 = 322,079.27 : x
  2. Step 2: Convert to fraction form
    771,603.62/1,157,405.57 = 322,079.27/x
  3. Step 3: Cross multiply
    771,603.62x = 1,157,405.57 × 322,079.27
  4. Step 4: Simplify right side
    771,603.62x = 372,776,341,079.53
  5. Step 5: Solve for x
    x = 372,776,341,079.53/771,603.62
  6. Step 6: Final answer
    x = 483,118.96

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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.