Home / 759,203.12-1,047,659.19-419,649.50

Finding the Fourth Proportional to 759,203.12, 1,047,659.19 and 419,649.50

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Solution

The fourth proportional to 759,203.12, 1,047,659.19 and 419,649.50 is: 579,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,203.12 : 1,047,659.19 = 419,649.50 : x
  2. Step 2: Convert to fraction form
    759,203.12/1,047,659.19 = 419,649.50/x
  3. Step 3: Cross multiply
    759,203.12x = 1,047,659.19 × 419,649.50
  4. Step 4: Simplify right side
    759,203.12x = 439,649,655,253.91
  5. Step 5: Solve for x
    x = 439,649,655,253.91/759,203.12
  6. Step 6: Final answer
    x = 579,093.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.