Home / 762,743.09-1,144,077.66-283,064.41

Finding the Fourth Proportional to 762,743.09, 1,144,077.66 and 283,064.41

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Solution

The fourth proportional to 762,743.09, 1,144,077.66 and 283,064.41 is: 424,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,743.09 : 1,144,077.66 = 283,064.41 : x
  2. Step 2: Convert to fraction form
    762,743.09/1,144,077.66 = 283,064.41/x
  3. Step 3: Cross multiply
    762,743.09x = 1,144,077.66 × 283,064.41
  4. Step 4: Simplify right side
    762,743.09x = 323,847,664,961.89
  5. Step 5: Solve for x
    x = 323,847,664,961.89/762,743.09
  6. Step 6: Final answer
    x = 424,582.89

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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.