Home / 762,090.84-1,143,136.53-282,483.54

Finding the Fourth Proportional to 762,090.84, 1,143,136.53 and 282,483.54

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Solution

The fourth proportional to 762,090.84, 1,143,136.53 and 282,483.54 is: 423,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,090.84 : 1,143,136.53 = 282,483.54 : x
  2. Step 2: Convert to fraction form
    762,090.84/1,143,136.53 = 282,483.54/x
  3. Step 3: Cross multiply
    762,090.84x = 1,143,136.53 × 282,483.54
  4. Step 4: Simplify right side
    762,090.84x = 322,917,253,697.72
  5. Step 5: Solve for x
    x = 322,917,253,697.72/762,090.84
  6. Step 6: Final answer
    x = 423,725.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.