Home / 747,776.48-1,121,627.44-274,424.60

Finding the Fourth Proportional to 747,776.48, 1,121,627.44 and 274,424.60

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Solution

The fourth proportional to 747,776.48, 1,121,627.44 and 274,424.60 is: 411,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,776.48 : 1,121,627.44 = 274,424.60 : x
  2. Step 2: Convert to fraction form
    747,776.48/1,121,627.44 = 274,424.60/x
  3. Step 3: Cross multiply
    747,776.48x = 1,121,627.44 × 274,424.60
  4. Step 4: Simplify right side
    747,776.48x = 307,802,161,571.02
  5. Step 5: Solve for x
    x = 307,802,161,571.02/747,776.48
  6. Step 6: Final answer
    x = 411,623.22

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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.