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Finding the Fourth Proportional to 626,950.40, 864,658.60 and 422,968.91

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Solution

The fourth proportional to 626,950.40, 864,658.60 and 422,968.91 is: 583,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,950.40 : 864,658.60 = 422,968.91 : x
  2. Step 2: Convert to fraction form
    626,950.40/864,658.60 = 422,968.91/x
  3. Step 3: Cross multiply
    626,950.40x = 864,658.60 × 422,968.91
  4. Step 4: Simplify right side
    626,950.40x = 365,723,700,183.41
  5. Step 5: Solve for x
    x = 365,723,700,183.41/626,950.40
  6. Step 6: Final answer
    x = 583,337.54

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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.