Home / 770,785.75-1,156,288.89-238,347.84

Finding the Fourth Proportional to 770,785.75, 1,156,288.89 and 238,347.84

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Solution

The fourth proportional to 770,785.75, 1,156,288.89 and 238,347.84 is: 357,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,785.75 : 1,156,288.89 = 238,347.84 : x
  2. Step 2: Convert to fraction form
    770,785.75/1,156,288.89 = 238,347.84/x
  3. Step 3: Cross multiply
    770,785.75x = 1,156,288.89 × 238,347.84
  4. Step 4: Simplify right side
    770,785.75x = 275,598,959,347.50
  5. Step 5: Solve for x
    x = 275,598,959,347.50/770,785.75
  6. Step 6: Final answer
    x = 357,555.86

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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.