Home / 790,864.50-1,186,051.41-285,359.70

Finding the Fourth Proportional to 790,864.50, 1,186,051.41 and 285,359.70

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Solution

The fourth proportional to 790,864.50, 1,186,051.41 and 285,359.70 is: 427,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,864.50 : 1,186,051.41 = 285,359.70 : x
  2. Step 2: Convert to fraction form
    790,864.50/1,186,051.41 = 285,359.70/x
  3. Step 3: Cross multiply
    790,864.50x = 1,186,051.41 × 285,359.70
  4. Step 4: Simplify right side
    790,864.50x = 338,451,274,542.18
  5. Step 5: Solve for x
    x = 338,451,274,542.18/790,864.50
  6. Step 6: Final answer
    x = 427,951.03

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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.