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Finding the Fourth Proportional to 528,049.70, 792,074.55 and 496,945.70

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Solution

The fourth proportional to 528,049.70, 792,074.55 and 496,945.70 is: 745,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,049.70 : 792,074.55 = 496,945.70 : x
  2. Step 2: Convert to fraction form
    528,049.70/792,074.55 = 496,945.70/x
  3. Step 3: Cross multiply
    528,049.70x = 792,074.55 × 496,945.70
  4. Step 4: Simplify right side
    528,049.70x = 393,618,041,701.94
  5. Step 5: Solve for x
    x = 393,618,041,701.94/528,049.70
  6. Step 6: Final answer
    x = 745,418.55

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Double scale
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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.