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Finding the Fourth Proportional to 559,408.80, 839,404.80 and 243,897.60

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Solution

The fourth proportional to 559,408.80, 839,404.80 and 243,897.60 is: 365,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,408.80 : 839,404.80 = 243,897.60 : x
  2. Step 2: Convert to fraction form
    559,408.80/839,404.80 = 243,897.60/x
  3. Step 3: Cross multiply
    559,408.80x = 839,404.80 × 243,897.60
  4. Step 4: Simplify right side
    559,408.80x = 204,728,816,148.48
  5. Step 5: Solve for x
    x = 204,728,816,148.48/559,408.80
  6. Step 6: Final answer
    x = 365,973.54

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1.5x scale

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.