Home / 602,255.69-831,136.11-330,335.04

Finding the Fourth Proportional to 602,255.69, 831,136.11 and 330,335.04

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Solution

The fourth proportional to 602,255.69, 831,136.11 and 330,335.04 is: 455,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,255.69 : 831,136.11 = 330,335.04 : x
  2. Step 2: Convert to fraction form
    602,255.69/831,136.11 = 330,335.04/x
  3. Step 3: Cross multiply
    602,255.69x = 831,136.11 × 330,335.04
  4. Step 4: Simplify right side
    602,255.69x = 274,553,382,020.30
  5. Step 5: Solve for x
    x = 274,553,382,020.30/602,255.69
  6. Step 6: Final answer
    x = 455,875.12

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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.