Home / 769,813.50-1,154,784.86-283,628

Finding the Fourth Proportional to 769,813.50, 1,154,784.86 and 283,628

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Solution

The fourth proportional to 769,813.50, 1,154,784.86 and 283,628 is: 425,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,813.50 : 1,154,784.86 = 283,628 : x
  2. Step 2: Convert to fraction form
    769,813.50/1,154,784.86 = 283,628/x
  3. Step 3: Cross multiply
    769,813.50x = 1,154,784.86 × 283,628
  4. Step 4: Simplify right side
    769,813.50x = 327,529,320,272.08
  5. Step 5: Solve for x
    x = 327,529,320,272.08/769,813.50
  6. Step 6: Final answer
    x = 425,465.80

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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.