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Finding the Fourth Proportional to 626,520.44, 940,176 and 266,690.72

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Solution

The fourth proportional to 626,520.44, 940,176 and 266,690.72 is: 400,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,520.44 : 940,176 = 266,690.72 : x
  2. Step 2: Convert to fraction form
    626,520.44/940,176 = 266,690.72/x
  3. Step 3: Cross multiply
    626,520.44x = 940,176 × 266,690.72
  4. Step 4: Simplify right side
    626,520.44x = 250,736,214,366.72
  5. Step 5: Solve for x
    x = 250,736,214,366.72/626,520.44
  6. Step 6: Final answer
    x = 400,204.36

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1.5x scale

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.