Home / 998,804.43-1,499,272.82-430,466.01

Finding the Fourth Proportional to 998,804.43, 1,499,272.82 and 430,466.01

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Solution

The fourth proportional to 998,804.43, 1,499,272.82 and 430,466.01 is: 646,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,804.43 : 1,499,272.82 = 430,466.01 : x
  2. Step 2: Convert to fraction form
    998,804.43/1,499,272.82 = 430,466.01/x
  3. Step 3: Cross multiply
    998,804.43x = 1,499,272.82 × 430,466.01
  4. Step 4: Simplify right side
    998,804.43x = 645,385,986,574.52
  5. Step 5: Solve for x
    x = 645,385,986,574.52/998,804.43
  6. Step 6: Final answer
    x = 646,158.51

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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.