Home / 790,705.13-1,186,047.22-191,671.71

Finding the Fourth Proportional to 790,705.13, 1,186,047.22 and 191,671.71

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Solution

The fourth proportional to 790,705.13, 1,186,047.22 and 191,671.71 is: 287,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,705.13 : 1,186,047.22 = 191,671.71 : x
  2. Step 2: Convert to fraction form
    790,705.13/1,186,047.22 = 191,671.71/x
  3. Step 3: Cross multiply
    790,705.13x = 1,186,047.22 × 191,671.71
  4. Step 4: Simplify right side
    790,705.13x = 227,331,698,318.97
  5. Step 5: Solve for x
    x = 227,331,698,318.97/790,705.13
  6. Step 6: Final answer
    x = 287,505.02

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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.