Home / 671,851.56-1,007,771.06-272,397.40

Finding the Fourth Proportional to 671,851.56, 1,007,771.06 and 272,397.40

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Solution

The fourth proportional to 671,851.56, 1,007,771.06 and 272,397.40 is: 408,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,851.56 : 1,007,771.06 = 272,397.40 : x
  2. Step 2: Convert to fraction form
    671,851.56/1,007,771.06 = 272,397.40/x
  3. Step 3: Cross multiply
    671,851.56x = 1,007,771.06 × 272,397.40
  4. Step 4: Simplify right side
    671,851.56x = 274,514,216,539.24
  5. Step 5: Solve for x
    x = 274,514,216,539.24/671,851.56
  6. Step 6: Final answer
    x = 408,593.55

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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.