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Finding the Fourth Proportional to 424,777.44, 636,809.04 and 284,106.72

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Solution

The fourth proportional to 424,777.44, 636,809.04 and 284,106.72 is: 425,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,777.44 : 636,809.04 = 284,106.72 : x
  2. Step 2: Convert to fraction form
    424,777.44/636,809.04 = 284,106.72/x
  3. Step 3: Cross multiply
    424,777.44x = 636,809.04 × 284,106.72
  4. Step 4: Simplify right side
    424,777.44x = 180,921,727,620.75
  5. Step 5: Solve for x
    x = 180,921,727,620.75/424,777.44
  6. Step 6: Final answer
    x = 425,921.23

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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.