Home / 602,272.52-831,137.30-330,342.66

Finding the Fourth Proportional to 602,272.52, 831,137.30 and 330,342.66

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Solution

The fourth proportional to 602,272.52, 831,137.30 and 330,342.66 is: 455,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,272.52 : 831,137.30 = 330,342.66 : x
  2. Step 2: Convert to fraction form
    602,272.52/831,137.30 = 330,342.66/x
  3. Step 3: Cross multiply
    602,272.52x = 831,137.30 × 330,342.66
  4. Step 4: Simplify right side
    602,272.52x = 274,560,106,507.22
  5. Step 5: Solve for x
    x = 274,560,106,507.22/602,272.52
  6. Step 6: Final answer
    x = 455,873.54

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1.5x scale

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.