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Finding the Fourth Proportional to 639,737.70, 958,950.45 and 373,361.10

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Solution

The fourth proportional to 639,737.70, 958,950.45 and 373,361.10 is: 559,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,737.70 : 958,950.45 = 373,361.10 : x
  2. Step 2: Convert to fraction form
    639,737.70/958,950.45 = 373,361.10/x
  3. Step 3: Cross multiply
    639,737.70x = 958,950.45 × 373,361.10
  4. Step 4: Simplify right side
    639,737.70x = 358,034,794,857.50
  5. Step 5: Solve for x
    x = 358,034,794,857.50/639,737.70
  6. Step 6: Final answer
    x = 559,658.74

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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.