Home / 744,937.42-1,117,416.54-212,458.36

Finding the Fourth Proportional to 744,937.42, 1,117,416.54 and 212,458.36

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Solution

The fourth proportional to 744,937.42, 1,117,416.54 and 212,458.36 is: 318,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,937.42 : 1,117,416.54 = 212,458.36 : x
  2. Step 2: Convert to fraction form
    744,937.42/1,117,416.54 = 212,458.36/x
  3. Step 3: Cross multiply
    744,937.42x = 1,117,416.54 × 212,458.36
  4. Step 4: Simplify right side
    744,937.42x = 237,404,485,525.27
  5. Step 5: Solve for x
    x = 237,404,485,525.27/744,937.42
  6. Step 6: Final answer
    x = 318,690.51

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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.