Home / 885,740.70-1,328,611.05-614,115.30

Finding the Fourth Proportional to 885,740.70, 1,328,611.05 and 614,115.30

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Solution

The fourth proportional to 885,740.70, 1,328,611.05 and 614,115.30 is: 921,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,740.70 : 1,328,611.05 = 614,115.30 : x
  2. Step 2: Convert to fraction form
    885,740.70/1,328,611.05 = 614,115.30/x
  3. Step 3: Cross multiply
    885,740.70x = 1,328,611.05 × 614,115.30
  4. Step 4: Simplify right side
    885,740.70x = 815,920,373,554.07
  5. Step 5: Solve for x
    x = 815,920,373,554.07/885,740.70
  6. Step 6: Final answer
    x = 921,172.95

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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.