Home / 760,576.34-1,140,790.20-199,610.84

Finding the Fourth Proportional to 760,576.34, 1,140,790.20 and 199,610.84

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Solution

The fourth proportional to 760,576.34, 1,140,790.20 and 199,610.84 is: 299,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,576.34 : 1,140,790.20 = 199,610.84 : x
  2. Step 2: Convert to fraction form
    760,576.34/1,140,790.20 = 199,610.84/x
  3. Step 3: Cross multiply
    760,576.34x = 1,140,790.20 × 199,610.84
  4. Step 4: Simplify right side
    760,576.34x = 227,714,084,381.82
  5. Step 5: Solve for x
    x = 227,714,084,381.82/760,576.34
  6. Step 6: Final answer
    x = 299,396.75

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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.