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Finding the Fourth Proportional to 507,747.88, 700,692.07 and 281,407.96

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Solution

The fourth proportional to 507,747.88, 700,692.07 and 281,407.96 is: 388,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,747.88 : 700,692.07 = 281,407.96 : x
  2. Step 2: Convert to fraction form
    507,747.88/700,692.07 = 281,407.96/x
  3. Step 3: Cross multiply
    507,747.88x = 700,692.07 × 281,407.96
  4. Step 4: Simplify right side
    507,747.88x = 197,180,322,503.42
  5. Step 5: Solve for x
    x = 197,180,322,503.42/507,747.88
  6. Step 6: Final answer
    x = 388,342.98

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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.