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Finding the Fourth Proportional to 528,034.70, 792,052.05 and 496,930.70

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Solution

The fourth proportional to 528,034.70, 792,052.05 and 496,930.70 is: 745,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,034.70 : 792,052.05 = 496,930.70 : x
  2. Step 2: Convert to fraction form
    528,034.70/792,052.05 = 496,930.70/x
  3. Step 3: Cross multiply
    528,034.70x = 792,052.05 × 496,930.70
  4. Step 4: Simplify right side
    528,034.70x = 393,594,979,642.94
  5. Step 5: Solve for x
    x = 393,594,979,642.94/528,034.70
  6. Step 6: Final answer
    x = 745,396.05

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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.