Home / 870,824.26-1,306,250.22-331,088.76

Finding the Fourth Proportional to 870,824.26, 1,306,250.22 and 331,088.76

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Solution

The fourth proportional to 870,824.26, 1,306,250.22 and 331,088.76 is: 496,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,824.26 : 1,306,250.22 = 331,088.76 : x
  2. Step 2: Convert to fraction form
    870,824.26/1,306,250.22 = 331,088.76/x
  3. Step 3: Cross multiply
    870,824.26x = 1,306,250.22 × 331,088.76
  4. Step 4: Simplify right side
    870,824.26x = 432,484,765,589.53
  5. Step 5: Solve for x
    x = 432,484,765,589.53/870,824.26
  6. Step 6: Final answer
    x = 496,638.40

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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.