Home / 790,990.08-1,186,476.21-191,957.82

Finding the Fourth Proportional to 790,990.08, 1,186,476.21 and 191,957.82

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Solution

The fourth proportional to 790,990.08, 1,186,476.21 and 191,957.82 is: 287,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,990.08 : 1,186,476.21 = 191,957.82 : x
  2. Step 2: Convert to fraction form
    790,990.08/1,186,476.21 = 191,957.82/x
  3. Step 3: Cross multiply
    790,990.08x = 1,186,476.21 × 191,957.82
  4. Step 4: Simplify right side
    790,990.08x = 227,753,386,753.46
  5. Step 5: Solve for x
    x = 227,753,386,753.46/790,990.08
  6. Step 6: Final answer
    x = 287,934.57

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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.