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Finding the Fourth Proportional to 526,827, 727,021.08 and 285,109.44

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Solution

The fourth proportional to 526,827, 727,021.08 and 285,109.44 is: 393,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,827 : 727,021.08 = 285,109.44 : x
  2. Step 2: Convert to fraction form
    526,827/727,021.08 = 285,109.44/x
  3. Step 3: Cross multiply
    526,827x = 727,021.08 × 285,109.44
  4. Step 4: Simplify right side
    526,827x = 207,280,572,987.00
  5. Step 5: Solve for x
    x = 207,280,572,987.00/526,827
  6. Step 6: Final answer
    x = 393,450.93

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1.5x scale

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.