Home / 834,400.72-1,250,858.70-301,803.28

Finding the Fourth Proportional to 834,400.72, 1,250,858.70 and 301,803.28

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Solution

The fourth proportional to 834,400.72, 1,250,858.70 and 301,803.28 is: 452,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,400.72 : 1,250,858.70 = 301,803.28 : x
  2. Step 2: Convert to fraction form
    834,400.72/1,250,858.70 = 301,803.28/x
  3. Step 3: Cross multiply
    834,400.72x = 1,250,858.70 × 301,803.28
  4. Step 4: Simplify right side
    834,400.72x = 377,513,258,476.54
  5. Step 5: Solve for x
    x = 377,513,258,476.54/834,400.72
  6. Step 6: Final answer
    x = 452,436.40

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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.