Home / 386,301.60-579,452.40-254,973.60

Finding the Fourth Proportional to 386,301.60, 579,452.40 and 254,973.60

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Solution

The fourth proportional to 386,301.60, 579,452.40 and 254,973.60 is: 382,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,301.60 : 579,452.40 = 254,973.60 : x
  2. Step 2: Convert to fraction form
    386,301.60/579,452.40 = 254,973.60/x
  3. Step 3: Cross multiply
    386,301.60x = 579,452.40 × 254,973.60
  4. Step 4: Simplify right side
    386,301.60x = 147,745,064,456.64
  5. Step 5: Solve for x
    x = 147,745,064,456.64/386,301.60
  6. Step 6: Final answer
    x = 382,460.40

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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.