Home / 1,019,282.59-1,528,933.07-309,310.60

Finding the Fourth Proportional to 1,019,282.59, 1,528,933.07 and 309,310.60

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Solution

The fourth proportional to 1,019,282.59, 1,528,933.07 and 309,310.60 is: 463,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,282.59 : 1,528,933.07 = 309,310.60 : x
  2. Step 2: Convert to fraction form
    1,019,282.59/1,528,933.07 = 309,310.60/x
  3. Step 3: Cross multiply
    1,019,282.59x = 1,528,933.07 × 309,310.60
  4. Step 4: Simplify right side
    1,019,282.59x = 472,915,203,319.36
  5. Step 5: Solve for x
    x = 472,915,203,319.36/1,019,282.59
  6. Step 6: Final answer
    x = 463,968.69

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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.