Home / 648,277.73-894,672.74-357,945.28

Finding the Fourth Proportional to 648,277.73, 894,672.74 and 357,945.28

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Solution

The fourth proportional to 648,277.73, 894,672.74 and 357,945.28 is: 493,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,277.73 : 894,672.74 = 357,945.28 : x
  2. Step 2: Convert to fraction form
    648,277.73/894,672.74 = 357,945.28/x
  3. Step 3: Cross multiply
    648,277.73x = 894,672.74 × 357,945.28
  4. Step 4: Simplify right side
    648,277.73x = 320,243,883,085.85
  5. Step 5: Solve for x
    x = 320,243,883,085.85/648,277.73
  6. Step 6: Final answer
    x = 493,991.80

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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.