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Finding the Fourth Proportional to 533,640.52, 736,441.46 and 304,193.71

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Solution

The fourth proportional to 533,640.52, 736,441.46 and 304,193.71 is: 419,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,640.52 : 736,441.46 = 304,193.71 : x
  2. Step 2: Convert to fraction form
    533,640.52/736,441.46 = 304,193.71/x
  3. Step 3: Cross multiply
    533,640.52x = 736,441.46 × 304,193.71
  4. Step 4: Simplify right side
    533,640.52x = 224,020,859,915.22
  5. Step 5: Solve for x
    x = 224,020,859,915.22/533,640.52
  6. Step 6: Final answer
    x = 419,797.32

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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.