Home / 945,921.36-1,305,400.30-538,082.30

Finding the Fourth Proportional to 945,921.36, 1,305,400.30 and 538,082.30

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Solution

The fourth proportional to 945,921.36, 1,305,400.30 and 538,082.30 is: 742,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,921.36 : 1,305,400.30 = 538,082.30 : x
  2. Step 2: Convert to fraction form
    945,921.36/1,305,400.30 = 538,082.30/x
  3. Step 3: Cross multiply
    945,921.36x = 1,305,400.30 × 538,082.30
  4. Step 4: Simplify right side
    945,921.36x = 702,412,795,844.69
  5. Step 5: Solve for x
    x = 702,412,795,844.69/945,921.36
  6. Step 6: Final answer
    x = 742,569.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.