Home / 770,785.19-1,156,288.05-238,347.28

Finding the Fourth Proportional to 770,785.19, 1,156,288.05 and 238,347.28

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Solution

The fourth proportional to 770,785.19, 1,156,288.05 and 238,347.28 is: 357,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,785.19 : 1,156,288.05 = 238,347.28 : x
  2. Step 2: Convert to fraction form
    770,785.19/1,156,288.05 = 238,347.28/x
  3. Step 3: Cross multiply
    770,785.19x = 1,156,288.05 × 238,347.28
  4. Step 4: Simplify right side
    770,785.19x = 275,598,110,422.27
  5. Step 5: Solve for x
    x = 275,598,110,422.27/770,785.19
  6. Step 6: Final answer
    x = 357,555.02

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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.