Home / 790,890.38-1,186,537.86-229,924.88

Finding the Fourth Proportional to 790,890.38, 1,186,537.86 and 229,924.88

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Solution

The fourth proportional to 790,890.38, 1,186,537.86 and 229,924.88 is: 344,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,890.38 : 1,186,537.86 = 229,924.88 : x
  2. Step 2: Convert to fraction form
    790,890.38/1,186,537.86 = 229,924.88/x
  3. Step 3: Cross multiply
    790,890.38x = 1,186,537.86 × 229,924.88
  4. Step 4: Simplify right side
    790,890.38x = 272,814,569,143.27
  5. Step 5: Solve for x
    x = 272,814,569,143.27/790,890.38
  6. Step 6: Final answer
    x = 344,946.12

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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.