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Finding the Fourth Proportional to 572,737.70, 790,464.21 and 412,124.42

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Solution

The fourth proportional to 572,737.70, 790,464.21 and 412,124.42 is: 568,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,737.70 : 790,464.21 = 412,124.42 : x
  2. Step 2: Convert to fraction form
    572,737.70/790,464.21 = 412,124.42/x
  3. Step 3: Cross multiply
    572,737.70x = 790,464.21 × 412,124.42
  4. Step 4: Simplify right side
    572,737.70x = 325,769,604,077.01
  5. Step 5: Solve for x
    x = 325,769,604,077.01/572,737.70
  6. Step 6: Final answer
    x = 568,793.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.