Home / 790,479.73-1,185,715.63-191,440.88

Finding the Fourth Proportional to 790,479.73, 1,185,715.63 and 191,440.88

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Solution

The fourth proportional to 790,479.73, 1,185,715.63 and 191,440.88 is: 287,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,479.73 : 1,185,715.63 = 191,440.88 : x
  2. Step 2: Convert to fraction form
    790,479.73/1,185,715.63 = 191,440.88/x
  3. Step 3: Cross multiply
    790,479.73x = 1,185,715.63 × 191,440.88
  4. Step 4: Simplify right side
    790,479.73x = 226,994,443,636.95
  5. Step 5: Solve for x
    x = 226,994,443,636.95/790,479.73
  6. Step 6: Final answer
    x = 287,160.36

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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.