Home / 771,211.80-1,156,817.70-202,555.35

Finding the Fourth Proportional to 771,211.80, 1,156,817.70 and 202,555.35

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Solution

The fourth proportional to 771,211.80, 1,156,817.70 and 202,555.35 is: 303,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,211.80 : 1,156,817.70 = 202,555.35 : x
  2. Step 2: Convert to fraction form
    771,211.80/1,156,817.70 = 202,555.35/x
  3. Step 3: Cross multiply
    771,211.80x = 1,156,817.70 × 202,555.35
  4. Step 4: Simplify right side
    771,211.80x = 234,319,614,109.70
  5. Step 5: Solve for x
    x = 234,319,614,109.70/771,211.80
  6. Step 6: Final answer
    x = 303,833.03

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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.