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Finding the Fourth Proportional to 561,359.43, 842,248.26 and 336,880.89

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Solution

The fourth proportional to 561,359.43, 842,248.26 and 336,880.89 is: 505,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,359.43 : 842,248.26 = 336,880.89 : x
  2. Step 2: Convert to fraction form
    561,359.43/842,248.26 = 336,880.89/x
  3. Step 3: Cross multiply
    561,359.43x = 842,248.26 × 336,880.89
  4. Step 4: Simplify right side
    561,359.43x = 283,737,343,429.75
  5. Step 5: Solve for x
    x = 283,737,343,429.75/561,359.43
  6. Step 6: Final answer
    x = 505,446.83

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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.