Home / 998,141.56-1,497,336.60-390,851.48

Finding the Fourth Proportional to 998,141.56, 1,497,336.60 and 390,851.48

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Solution

The fourth proportional to 998,141.56, 1,497,336.60 and 390,851.48 is: 586,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,141.56 : 1,497,336.60 = 390,851.48 : x
  2. Step 2: Convert to fraction form
    998,141.56/1,497,336.60 = 390,851.48/x
  3. Step 3: Cross multiply
    998,141.56x = 1,497,336.60 × 390,851.48
  4. Step 4: Simplify right side
    998,141.56x = 585,236,226,168.17
  5. Step 5: Solve for x
    x = 585,236,226,168.17/998,141.56
  6. Step 6: Final answer
    x = 586,325.88

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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.