Home / 904,110.80-1,355,673.45-272,942.60

Finding the Fourth Proportional to 904,110.80, 1,355,673.45 and 272,942.60

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Solution

The fourth proportional to 904,110.80, 1,355,673.45 and 272,942.60 is: 409,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,110.80 : 1,355,673.45 = 272,942.60 : x
  2. Step 2: Convert to fraction form
    904,110.80/1,355,673.45 = 272,942.60/x
  3. Step 3: Cross multiply
    904,110.80x = 1,355,673.45 × 272,942.60
  4. Step 4: Simplify right side
    904,110.80x = 370,021,036,193.97
  5. Step 5: Solve for x
    x = 370,021,036,193.97/904,110.80
  6. Step 6: Final answer
    x = 409,265.14

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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.