Home / 526,897.12-727,135.65-322,908.64

Finding the Fourth Proportional to 526,897.12, 727,135.65 and 322,908.64

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Solution

The fourth proportional to 526,897.12, 727,135.65 and 322,908.64 is: 445,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,897.12 : 727,135.65 = 322,908.64 : x
  2. Step 2: Convert to fraction form
    526,897.12/727,135.65 = 322,908.64/x
  3. Step 3: Cross multiply
    526,897.12x = 727,135.65 × 322,908.64
  4. Step 4: Simplify right side
    526,897.12x = 234,798,383,837.02
  5. Step 5: Solve for x
    x = 234,798,383,837.02/526,897.12
  6. Step 6: Final answer
    x = 445,624.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.