Home / 602,215.28-831,054.69-330,276

Finding the Fourth Proportional to 602,215.28, 831,054.69 and 330,276

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Solution

The fourth proportional to 602,215.28, 831,054.69 and 330,276 is: 455,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,215.28 : 831,054.69 = 330,276 : x
  2. Step 2: Convert to fraction form
    602,215.28/831,054.69 = 330,276/x
  3. Step 3: Cross multiply
    602,215.28x = 831,054.69 × 330,276
  4. Step 4: Simplify right side
    602,215.28x = 274,477,418,794.44
  5. Step 5: Solve for x
    x = 274,477,418,794.44/602,215.28
  6. Step 6: Final answer
    x = 455,779.57

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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.