Home / 1,019,584.28-1,529,277.38-309,618.47

Finding the Fourth Proportional to 1,019,584.28, 1,529,277.38 and 309,618.47

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Solution

The fourth proportional to 1,019,584.28, 1,529,277.38 and 309,618.47 is: 464,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,584.28 : 1,529,277.38 = 309,618.47 : x
  2. Step 2: Convert to fraction form
    1,019,584.28/1,529,277.38 = 309,618.47/x
  3. Step 3: Cross multiply
    1,019,584.28x = 1,529,277.38 × 309,618.47
  4. Step 4: Simplify right side
    1,019,584.28x = 473,492,515,728.87
  5. Step 5: Solve for x
    x = 473,492,515,728.87/1,019,584.28
  6. Step 6: Final answer
    x = 464,397.62

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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.