Home / 716,345.37-1,074,518.05-210,906.43

Finding the Fourth Proportional to 716,345.37, 1,074,518.05 and 210,906.43

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Solution

The fourth proportional to 716,345.37, 1,074,518.05 and 210,906.43 is: 316,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,345.37 : 1,074,518.05 = 210,906.43 : x
  2. Step 2: Convert to fraction form
    716,345.37/1,074,518.05 = 210,906.43/x
  3. Step 3: Cross multiply
    716,345.37x = 1,074,518.05 × 210,906.43
  4. Step 4: Simplify right side
    716,345.37x = 226,622,765,368.80
  5. Step 5: Solve for x
    x = 226,622,765,368.80/716,345.37
  6. Step 6: Final answer
    x = 316,359.64

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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.