Home / 602,272.28-831,136.94-330,342.39

Finding the Fourth Proportional to 602,272.28, 831,136.94 and 330,342.39

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Solution

The fourth proportional to 602,272.28, 831,136.94 and 330,342.39 is: 455,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,272.28 : 831,136.94 = 330,342.39 : x
  2. Step 2: Convert to fraction form
    602,272.28/831,136.94 = 330,342.39/x
  3. Step 3: Cross multiply
    602,272.28x = 831,136.94 × 330,342.39
  4. Step 4: Simplify right side
    602,272.28x = 274,559,761,525.18
  5. Step 5: Solve for x
    x = 274,559,761,525.18/602,272.28
  6. Step 6: Final answer
    x = 455,873.15

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Double scale
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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.