Home / 1,019,272.78-1,528,918.44-309,300.85

Finding the Fourth Proportional to 1,019,272.78, 1,528,918.44 and 309,300.85

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Solution

The fourth proportional to 1,019,272.78, 1,528,918.44 and 309,300.85 is: 463,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,272.78 : 1,528,918.44 = 309,300.85 : x
  2. Step 2: Convert to fraction form
    1,019,272.78/1,528,918.44 = 309,300.85/x
  3. Step 3: Cross multiply
    1,019,272.78x = 1,528,918.44 × 309,300.85
  4. Step 4: Simplify right side
    1,019,272.78x = 472,895,773,072.67
  5. Step 5: Solve for x
    x = 472,895,773,072.67/1,019,272.78
  6. Step 6: Final answer
    x = 463,954.09

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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.