Home / 779,915.40-1,169,857.51-353,371.73

Finding the Fourth Proportional to 779,915.40, 1,169,857.51 and 353,371.73

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Solution

The fourth proportional to 779,915.40, 1,169,857.51 and 353,371.73 is: 530,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,915.40 : 1,169,857.51 = 353,371.73 : x
  2. Step 2: Convert to fraction form
    779,915.40/1,169,857.51 = 353,371.73/x
  3. Step 3: Cross multiply
    779,915.40x = 1,169,857.51 × 353,371.73
  4. Step 4: Simplify right side
    779,915.40x = 413,394,569,559.22
  5. Step 5: Solve for x
    x = 413,394,569,559.22/779,915.40
  6. Step 6: Final answer
    x = 530,050.53

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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.