Home / 790,732.45-1,186,171.49-258,256.27

Finding the Fourth Proportional to 790,732.45, 1,186,171.49 and 258,256.27

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Solution

The fourth proportional to 790,732.45, 1,186,171.49 and 258,256.27 is: 387,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,732.45 : 1,186,171.49 = 258,256.27 : x
  2. Step 2: Convert to fraction form
    790,732.45/1,186,171.49 = 258,256.27/x
  3. Step 3: Cross multiply
    790,732.45x = 1,186,171.49 × 258,256.27
  4. Step 4: Simplify right side
    790,732.45x = 306,336,223,296.46
  5. Step 5: Solve for x
    x = 306,336,223,296.46/790,732.45
  6. Step 6: Final answer
    x = 387,408.19

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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.