Home / 438,314.60-658,086.30-272,426.60

Finding the Fourth Proportional to 438,314.60, 658,086.30 and 272,426.60

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Solution

The fourth proportional to 438,314.60, 658,086.30 and 272,426.60 is: 409,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,314.60 : 658,086.30 = 272,426.60 : x
  2. Step 2: Convert to fraction form
    438,314.60/658,086.30 = 272,426.60/x
  3. Step 3: Cross multiply
    438,314.60x = 658,086.30 × 272,426.60
  4. Step 4: Simplify right side
    438,314.60x = 179,280,213,215.58
  5. Step 5: Solve for x
    x = 179,280,213,215.58/438,314.60
  6. Step 6: Final answer
    x = 409,021.77

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1.5x scale

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.