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Finding the Fourth Proportional to 536,245.52, 739,838.76 and 303,640.67

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Solution

The fourth proportional to 536,245.52, 739,838.76 and 303,640.67 is: 418,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,245.52 : 739,838.76 = 303,640.67 : x
  2. Step 2: Convert to fraction form
    536,245.52/739,838.76 = 303,640.67/x
  3. Step 3: Cross multiply
    536,245.52x = 739,838.76 × 303,640.67
  4. Step 4: Simplify right side
    536,245.52x = 224,645,133,079.18
  5. Step 5: Solve for x
    x = 224,645,133,079.18/536,245.52
  6. Step 6: Final answer
    x = 418,922.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.