Home / 734,730.71-1,102,516.55-285,393.44

Finding the Fourth Proportional to 734,730.71, 1,102,516.55 and 285,393.44

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Solution

The fourth proportional to 734,730.71, 1,102,516.55 and 285,393.44 is: 428,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,730.71 : 1,102,516.55 = 285,393.44 : x
  2. Step 2: Convert to fraction form
    734,730.71/1,102,516.55 = 285,393.44/x
  3. Step 3: Cross multiply
    734,730.71x = 1,102,516.55 × 285,393.44
  4. Step 4: Simplify right side
    734,730.71x = 314,650,983,921.88
  5. Step 5: Solve for x
    x = 314,650,983,921.88/734,730.71
  6. Step 6: Final answer
    x = 428,253.48

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1.5x scale

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.