Home / 916,788.54-1,375,464.35-437,627.78

Finding the Fourth Proportional to 916,788.54, 1,375,464.35 and 437,627.78

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Solution

The fourth proportional to 916,788.54, 1,375,464.35 and 437,627.78 is: 656,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,788.54 : 1,375,464.35 = 437,627.78 : x
  2. Step 2: Convert to fraction form
    916,788.54/1,375,464.35 = 437,627.78/x
  3. Step 3: Cross multiply
    916,788.54x = 1,375,464.35 × 437,627.78
  4. Step 4: Simplify right side
    916,788.54x = 601,941,404,176.39
  5. Step 5: Solve for x
    x = 601,941,404,176.39/916,788.54
  6. Step 6: Final answer
    x = 656,576.06

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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.