Home / 1,019,273.28-1,528,919.19-309,301.35

Finding the Fourth Proportional to 1,019,273.28, 1,528,919.19 and 309,301.35

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Solution

The fourth proportional to 1,019,273.28, 1,528,919.19 and 309,301.35 is: 463,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,273.28 : 1,528,919.19 = 309,301.35 : x
  2. Step 2: Convert to fraction form
    1,019,273.28/1,528,919.19 = 309,301.35/x
  3. Step 3: Cross multiply
    1,019,273.28x = 1,528,919.19 × 309,301.35
  4. Step 4: Simplify right side
    1,019,273.28x = 472,896,769,507.91
  5. Step 5: Solve for x
    x = 472,896,769,507.91/1,019,273.28
  6. Step 6: Final answer
    x = 463,954.84

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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.