Home / 890,756.28-1,335,873.20-251,017.47

Finding the Fourth Proportional to 890,756.28, 1,335,873.20 and 251,017.47

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Solution

The fourth proportional to 890,756.28, 1,335,873.20 and 251,017.47 is: 376,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,756.28 : 1,335,873.20 = 251,017.47 : x
  2. Step 2: Convert to fraction form
    890,756.28/1,335,873.20 = 251,017.47/x
  3. Step 3: Cross multiply
    890,756.28x = 1,335,873.20 × 251,017.47
  4. Step 4: Simplify right side
    890,756.28x = 335,327,509,649.72
  5. Step 5: Solve for x
    x = 335,327,509,649.72/890,756.28
  6. Step 6: Final answer
    x = 376,452.59

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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.