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Finding the Fourth Proportional to 808,300.40, 1,212,575.13 and 275,697

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Solution

The fourth proportional to 808,300.40, 1,212,575.13 and 275,697 is: 413,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,300.40 : 1,212,575.13 = 275,697 : x
  2. Step 2: Convert to fraction form
    808,300.40/1,212,575.13 = 275,697/x
  3. Step 3: Cross multiply
    808,300.40x = 1,212,575.13 × 275,697
  4. Step 4: Simplify right side
    808,300.40x = 334,303,325,615.61
  5. Step 5: Solve for x
    x = 334,303,325,615.61/808,300.40
  6. Step 6: Final answer
    x = 413,587.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.