Home / 753,258.06-1,039,509.78-409,093.92

Finding the Fourth Proportional to 753,258.06, 1,039,509.78 and 409,093.92

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Solution

The fourth proportional to 753,258.06, 1,039,509.78 and 409,093.92 is: 564,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,258.06 : 1,039,509.78 = 409,093.92 : x
  2. Step 2: Convert to fraction form
    753,258.06/1,039,509.78 = 409,093.92/x
  3. Step 3: Cross multiply
    753,258.06x = 1,039,509.78 × 409,093.92
  4. Step 4: Simplify right side
    753,258.06x = 425,257,130,778.54
  5. Step 5: Solve for x
    x = 425,257,130,778.54/753,258.06
  6. Step 6: Final answer
    x = 564,557.03

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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.