Home / 790,217.09-1,185,328.71-191,177.29

Finding the Fourth Proportional to 790,217.09, 1,185,328.71 and 191,177.29

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Solution

The fourth proportional to 790,217.09, 1,185,328.71 and 191,177.29 is: 286,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,217.09 : 1,185,328.71 = 191,177.29 : x
  2. Step 2: Convert to fraction form
    790,217.09/1,185,328.71 = 191,177.29/x
  3. Step 3: Cross multiply
    790,217.09x = 1,185,328.71 × 191,177.29
  4. Step 4: Simplify right side
    790,217.09x = 226,607,929,222.61
  5. Step 5: Solve for x
    x = 226,607,929,222.61/790,217.09
  6. Step 6: Final answer
    x = 286,766.68

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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.