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Finding the Fourth Proportional to 887,809.86, 1,331,568.99 and 382,234.68

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Solution

The fourth proportional to 887,809.86, 1,331,568.99 and 382,234.68 is: 573,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,809.86 : 1,331,568.99 = 382,234.68 : x
  2. Step 2: Convert to fraction form
    887,809.86/1,331,568.99 = 382,234.68/x
  3. Step 3: Cross multiply
    887,809.86x = 1,331,568.99 × 382,234.68
  4. Step 4: Simplify right side
    887,809.86x = 508,971,846,790.57
  5. Step 5: Solve for x
    x = 508,971,846,790.57/887,809.86
  6. Step 6: Final answer
    x = 573,289.25

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Double scale
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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.