Home / 672,937.55-1,008,045.53-419,439.95

Finding the Fourth Proportional to 672,937.55, 1,008,045.53 and 419,439.95

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Solution

The fourth proportional to 672,937.55, 1,008,045.53 and 419,439.95 is: 628,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,937.55 : 1,008,045.53 = 419,439.95 : x
  2. Step 2: Convert to fraction form
    672,937.55/1,008,045.53 = 419,439.95/x
  3. Step 3: Cross multiply
    672,937.55x = 1,008,045.53 × 419,439.95
  4. Step 4: Simplify right side
    672,937.55x = 422,814,564,603.72
  5. Step 5: Solve for x
    x = 422,814,564,603.72/672,937.55
  6. Step 6: Final answer
    x = 628,311.74

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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.