Home / 998,804.12-1,499,272.33-430,465.69

Finding the Fourth Proportional to 998,804.12, 1,499,272.33 and 430,465.69

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Solution

The fourth proportional to 998,804.12, 1,499,272.33 and 430,465.69 is: 646,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,804.12 : 1,499,272.33 = 430,465.69 : x
  2. Step 2: Convert to fraction form
    998,804.12/1,499,272.33 = 430,465.69/x
  3. Step 3: Cross multiply
    998,804.12x = 1,499,272.33 × 430,465.69
  4. Step 4: Simplify right side
    998,804.12x = 645,385,293,207.01
  5. Step 5: Solve for x
    x = 645,385,293,207.01/998,804.12
  6. Step 6: Final answer
    x = 646,158.02

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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.