Home / 771,185.16-1,156,826.75-238,661.46

Finding the Fourth Proportional to 771,185.16, 1,156,826.75 and 238,661.46

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Solution

The fourth proportional to 771,185.16, 1,156,826.75 and 238,661.46 is: 358,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,185.16 : 1,156,826.75 = 238,661.46 : x
  2. Step 2: Convert to fraction form
    771,185.16/1,156,826.75 = 238,661.46/x
  3. Step 3: Cross multiply
    771,185.16x = 1,156,826.75 × 238,661.46
  4. Step 4: Simplify right side
    771,185.16x = 276,089,959,928.75
  5. Step 5: Solve for x
    x = 276,089,959,928.75/771,185.16
  6. Step 6: Final answer
    x = 358,007.36

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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.