Home / 628,355.89-867,105.22-341,877.11

Finding the Fourth Proportional to 628,355.89, 867,105.22 and 341,877.11

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Solution

The fourth proportional to 628,355.89, 867,105.22 and 341,877.11 is: 471,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,355.89 : 867,105.22 = 341,877.11 : x
  2. Step 2: Convert to fraction form
    628,355.89/867,105.22 = 341,877.11/x
  3. Step 3: Cross multiply
    628,355.89x = 867,105.22 × 341,877.11
  4. Step 4: Simplify right side
    628,355.89x = 296,443,424,970.13
  5. Step 5: Solve for x
    x = 296,443,424,970.13/628,355.89
  6. Step 6: Final answer
    x = 471,776.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.