Home / 602,256.69-831,137.49-330,336.04

Finding the Fourth Proportional to 602,256.69, 831,137.49 and 330,336.04

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Solution

The fourth proportional to 602,256.69, 831,137.49 and 330,336.04 is: 455,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,256.69 : 831,137.49 = 330,336.04 : x
  2. Step 2: Convert to fraction form
    602,256.69/831,137.49 = 330,336.04/x
  3. Step 3: Cross multiply
    602,256.69x = 831,137.49 × 330,336.04
  4. Step 4: Simplify right side
    602,256.69x = 274,554,667,142.14
  5. Step 5: Solve for x
    x = 274,554,667,142.14/602,256.69
  6. Step 6: Final answer
    x = 455,876.49

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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.