Home / 790,967.21-1,186,448.85-191,927.88

Finding the Fourth Proportional to 790,967.21, 1,186,448.85 and 191,927.88

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Solution

The fourth proportional to 790,967.21, 1,186,448.85 and 191,927.88 is: 287,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,967.21 : 1,186,448.85 = 191,927.88 : x
  2. Step 2: Convert to fraction form
    790,967.21/1,186,448.85 = 191,927.88/x
  3. Step 3: Cross multiply
    790,967.21x = 1,186,448.85 × 191,927.88
  4. Step 4: Simplify right side
    790,967.21x = 227,712,612,508.94
  5. Step 5: Solve for x
    x = 227,712,612,508.94/790,967.21
  6. Step 6: Final answer
    x = 287,891.35

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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.