Home / 838,376.51-1,257,750.33-305,896.01

Finding the Fourth Proportional to 838,376.51, 1,257,750.33 and 305,896.01

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Solution

The fourth proportional to 838,376.51, 1,257,750.33 and 305,896.01 is: 458,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,376.51 : 1,257,750.33 = 305,896.01 : x
  2. Step 2: Convert to fraction form
    838,376.51/1,257,750.33 = 305,896.01/x
  3. Step 3: Cross multiply
    838,376.51x = 1,257,750.33 × 305,896.01
  4. Step 4: Simplify right side
    838,376.51x = 384,740,805,993.70
  5. Step 5: Solve for x
    x = 384,740,805,993.70/838,376.51
  6. Step 6: Final answer
    x = 458,911.72

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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.