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Finding the Fourth Proportional to 522,462.28, 783,692.61 and 344,927.70

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Solution

The fourth proportional to 522,462.28, 783,692.61 and 344,927.70 is: 517,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,462.28 : 783,692.61 = 344,927.70 : x
  2. Step 2: Convert to fraction form
    522,462.28/783,692.61 = 344,927.70/x
  3. Step 3: Cross multiply
    522,462.28x = 783,692.61 × 344,927.70
  4. Step 4: Simplify right side
    522,462.28x = 270,317,289,474.30
  5. Step 5: Solve for x
    x = 270,317,289,474.30/522,462.28
  6. Step 6: Final answer
    x = 517,391.02

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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.