Home / 980,635.51-1,470,953.31-349,106.44

Finding the Fourth Proportional to 980,635.51, 1,470,953.31 and 349,106.44

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Solution

The fourth proportional to 980,635.51, 1,470,953.31 and 349,106.44 is: 523,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,635.51 : 1,470,953.31 = 349,106.44 : x
  2. Step 2: Convert to fraction form
    980,635.51/1,470,953.31 = 349,106.44/x
  3. Step 3: Cross multiply
    980,635.51x = 1,470,953.31 × 349,106.44
  4. Step 4: Simplify right side
    980,635.51x = 513,519,273,460.32
  5. Step 5: Solve for x
    x = 513,519,273,460.32/980,635.51
  6. Step 6: Final answer
    x = 523,659.68

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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.