Home / 917,781.96-1,376,530.77-468,834.60

Finding the Fourth Proportional to 917,781.96, 1,376,530.77 and 468,834.60

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Solution

The fourth proportional to 917,781.96, 1,376,530.77 and 468,834.60 is: 703,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,781.96 : 1,376,530.77 = 468,834.60 : x
  2. Step 2: Convert to fraction form
    917,781.96/1,376,530.77 = 468,834.60/x
  3. Step 3: Cross multiply
    917,781.96x = 1,376,530.77 × 468,834.60
  4. Step 4: Simplify right side
    917,781.96x = 645,365,252,940.64
  5. Step 5: Solve for x
    x = 645,365,252,940.64/917,781.96
  6. Step 6: Final answer
    x = 703,179.27

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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.