Home / 414,547.40-621,821.10-367,891.40

Finding the Fourth Proportional to 414,547.40, 621,821.10 and 367,891.40

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Solution

The fourth proportional to 414,547.40, 621,821.10 and 367,891.40 is: 551,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,547.40 : 621,821.10 = 367,891.40 : x
  2. Step 2: Convert to fraction form
    414,547.40/621,821.10 = 367,891.40/x
  3. Step 3: Cross multiply
    414,547.40x = 621,821.10 × 367,891.40
  4. Step 4: Simplify right side
    414,547.40x = 228,762,635,028.54
  5. Step 5: Solve for x
    x = 228,762,635,028.54/414,547.40
  6. Step 6: Final answer
    x = 551,837.10

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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.