Home / 1,019,344.88-1,528,978.44-309,344.24

Finding the Fourth Proportional to 1,019,344.88, 1,528,978.44 and 309,344.24

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Solution

The fourth proportional to 1,019,344.88, 1,528,978.44 and 309,344.24 is: 464,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,344.88 : 1,528,978.44 = 309,344.24 : x
  2. Step 2: Convert to fraction form
    1,019,344.88/1,528,978.44 = 309,344.24/x
  3. Step 3: Cross multiply
    1,019,344.88x = 1,528,978.44 × 309,344.24
  4. Step 4: Simplify right side
    1,019,344.88x = 472,980,673,498.19
  5. Step 5: Solve for x
    x = 472,980,673,498.19/1,019,344.88
  6. Step 6: Final answer
    x = 464,004.56

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Double scale
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1.5x scale

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.