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Finding the Fourth Proportional to 492,760.35, 739,140.53 and 492,760.35

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Solution

The fourth proportional to 492,760.35, 739,140.53 and 492,760.35 is: 739,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,760.35 : 739,140.53 = 492,760.35 : x
  2. Step 2: Convert to fraction form
    492,760.35/739,140.53 = 492,760.35/x
  3. Step 3: Cross multiply
    492,760.35x = 739,140.53 × 492,760.35
  4. Step 4: Simplify right side
    492,760.35x = 364,219,143,798.18
  5. Step 5: Solve for x
    x = 364,219,143,798.18/492,760.35
  6. Step 6: Final answer
    x = 739,140.53

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Similar ratio
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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.