Home / 885,958.98-1,328,957.30-317,377.05

Finding the Fourth Proportional to 885,958.98, 1,328,957.30 and 317,377.05

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Solution

The fourth proportional to 885,958.98, 1,328,957.30 and 317,377.05 is: 476,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,958.98 : 1,328,957.30 = 317,377.05 : x
  2. Step 2: Convert to fraction form
    885,958.98/1,328,957.30 = 317,377.05/x
  3. Step 3: Cross multiply
    885,958.98x = 1,328,957.30 × 317,377.05
  4. Step 4: Simplify right side
    885,958.98x = 421,780,543,259.82
  5. Step 5: Solve for x
    x = 421,780,543,259.82/885,958.98
  6. Step 6: Final answer
    x = 476,072.32

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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.