Home / 863,356.73-1,294,296.57-331,259.63

Finding the Fourth Proportional to 863,356.73, 1,294,296.57 and 331,259.63

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Solution

The fourth proportional to 863,356.73, 1,294,296.57 and 331,259.63 is: 496,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,356.73 : 1,294,296.57 = 331,259.63 : x
  2. Step 2: Convert to fraction form
    863,356.73/1,294,296.57 = 331,259.63/x
  3. Step 3: Cross multiply
    863,356.73x = 1,294,296.57 × 331,259.63
  4. Step 4: Simplify right side
    863,356.73x = 428,748,196,416.99
  5. Step 5: Solve for x
    x = 428,748,196,416.99/863,356.73
  6. Step 6: Final answer
    x = 496,606.08

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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.