Home / 715,826.34-1,073,947.32-445,775.58

Finding the Fourth Proportional to 715,826.34, 1,073,947.32 and 445,775.58

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Solution

The fourth proportional to 715,826.34, 1,073,947.32 and 445,775.58 is: 668,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,826.34 : 1,073,947.32 = 445,775.58 : x
  2. Step 2: Convert to fraction form
    715,826.34/1,073,947.32 = 445,775.58/x
  3. Step 3: Cross multiply
    715,826.34x = 1,073,947.32 × 445,775.58
  4. Step 4: Simplify right side
    715,826.34x = 478,739,489,462.45
  5. Step 5: Solve for x
    x = 478,739,489,462.45/715,826.34
  6. Step 6: Final answer
    x = 668,792.78

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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.