Home / 902,358.85-1,245,136.81-539,650.38

Finding the Fourth Proportional to 902,358.85, 1,245,136.81 and 539,650.38

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Solution

The fourth proportional to 902,358.85, 1,245,136.81 and 539,650.38 is: 744,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,358.85 : 1,245,136.81 = 539,650.38 : x
  2. Step 2: Convert to fraction form
    902,358.85/1,245,136.81 = 539,650.38/x
  3. Step 3: Cross multiply
    902,358.85x = 1,245,136.81 × 539,650.38
  4. Step 4: Simplify right side
    902,358.85x = 671,938,552,668.49
  5. Step 5: Solve for x
    x = 671,938,552,668.49/902,358.85
  6. Step 6: Final answer
    x = 744,646.71

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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.