Home / 790,671.78-1,186,010.10-191,630.61

Finding the Fourth Proportional to 790,671.78, 1,186,010.10 and 191,630.61

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Solution

The fourth proportional to 790,671.78, 1,186,010.10 and 191,630.61 is: 287,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,671.78 : 1,186,010.10 = 191,630.61 : x
  2. Step 2: Convert to fraction form
    790,671.78/1,186,010.10 = 191,630.61/x
  3. Step 3: Cross multiply
    790,671.78x = 1,186,010.10 × 191,630.61
  4. Step 4: Simplify right side
    790,671.78x = 227,275,838,929.16
  5. Step 5: Solve for x
    x = 227,275,838,929.16/790,671.78
  6. Step 6: Final answer
    x = 287,446.50

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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.