Home / 771,234.50-1,156,839.32-210,269.00

Finding the Fourth Proportional to 771,234.50, 1,156,839.32 and 210,269.00

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Solution

The fourth proportional to 771,234.50, 1,156,839.32 and 210,269.00 is: 315,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,234.50 : 1,156,839.32 = 210,269.00 : x
  2. Step 2: Convert to fraction form
    771,234.50/1,156,839.32 = 210,269.00/x
  3. Step 3: Cross multiply
    771,234.50x = 1,156,839.32 × 210,269.00
  4. Step 4: Simplify right side
    771,234.50x = 243,247,441,718.56
  5. Step 5: Solve for x
    x = 243,247,441,718.56/771,234.50
  6. Step 6: Final answer
    x = 315,400.11

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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.