Home / 998,802.93-1,499,270.57-430,464.51

Finding the Fourth Proportional to 998,802.93, 1,499,270.57 and 430,464.51

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Solution

The fourth proportional to 998,802.93, 1,499,270.57 and 430,464.51 is: 646,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,802.93 : 1,499,270.57 = 430,464.51 : x
  2. Step 2: Convert to fraction form
    998,802.93/1,499,270.57 = 430,464.51/x
  3. Step 3: Cross multiply
    998,802.93x = 1,499,270.57 × 430,464.51
  4. Step 4: Simplify right side
    998,802.93x = 645,382,769,120.15
  5. Step 5: Solve for x
    x = 645,382,769,120.15/998,802.93
  6. Step 6: Final answer
    x = 646,156.26

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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.