Home / 674,450.29-1,012,174.40-319,466.17

Finding the Fourth Proportional to 674,450.29, 1,012,174.40 and 319,466.17

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Solution

The fourth proportional to 674,450.29, 1,012,174.40 and 319,466.17 is: 479,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,450.29 : 1,012,174.40 = 319,466.17 : x
  2. Step 2: Convert to fraction form
    674,450.29/1,012,174.40 = 319,466.17/x
  3. Step 3: Cross multiply
    674,450.29x = 1,012,174.40 × 319,466.17
  4. Step 4: Simplify right side
    674,450.29x = 323,355,477,342.72
  5. Step 5: Solve for x
    x = 323,355,477,342.72/674,450.29
  6. Step 6: Final answer
    x = 479,435.60

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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.