Home / 401,864.41-554,570.93-220,579.42

Finding the Fourth Proportional to 401,864.41, 554,570.93 and 220,579.42

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Solution

The fourth proportional to 401,864.41, 554,570.93 and 220,579.42 is: 304,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,864.41 : 554,570.93 = 220,579.42 : x
  2. Step 2: Convert to fraction form
    401,864.41/554,570.93 = 220,579.42/x
  3. Step 3: Cross multiply
    401,864.41x = 554,570.93 × 220,579.42
  4. Step 4: Simplify right side
    401,864.41x = 122,326,934,088.26
  5. Step 5: Solve for x
    x = 122,326,934,088.26/401,864.41
  6. Step 6: Final answer
    x = 304,398.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.