Home / 340,427.88-511,094.16-290,826.72

Finding the Fourth Proportional to 340,427.88, 511,094.16 and 290,826.72

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Solution

The fourth proportional to 340,427.88, 511,094.16 and 290,826.72 is: 436,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,427.88 : 511,094.16 = 290,826.72 : x
  2. Step 2: Convert to fraction form
    340,427.88/511,094.16 = 290,826.72/x
  3. Step 3: Cross multiply
    340,427.88x = 511,094.16 × 290,826.72
  4. Step 4: Simplify right side
    340,427.88x = 148,639,838,163.96
  5. Step 5: Solve for x
    x = 148,639,838,163.96/340,427.88
  6. Step 6: Final answer
    x = 436,626.51

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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.