Home / 753,649.46-1,040,036.02-414,139.58

Finding the Fourth Proportional to 753,649.46, 1,040,036.02 and 414,139.58

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Solution

The fourth proportional to 753,649.46, 1,040,036.02 and 414,139.58 is: 571,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,649.46 : 1,040,036.02 = 414,139.58 : x
  2. Step 2: Convert to fraction form
    753,649.46/1,040,036.02 = 414,139.58/x
  3. Step 3: Cross multiply
    753,649.46x = 1,040,036.02 × 414,139.58
  4. Step 4: Simplify right side
    753,649.46x = 430,720,080,507.67
  5. Step 5: Solve for x
    x = 430,720,080,507.67/753,649.46
  6. Step 6: Final answer
    x = 571,512.49

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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.