Home / 706,885.20-1,059,636.60-285,598.80

Finding the Fourth Proportional to 706,885.20, 1,059,636.60 and 285,598.80

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Solution

The fourth proportional to 706,885.20, 1,059,636.60 and 285,598.80 is: 428,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,885.20 : 1,059,636.60 = 285,598.80 : x
  2. Step 2: Convert to fraction form
    706,885.20/1,059,636.60 = 285,598.80/x
  3. Step 3: Cross multiply
    706,885.20x = 1,059,636.60 × 285,598.80
  4. Step 4: Simplify right side
    706,885.20x = 302,630,941,396.08
  5. Step 5: Solve for x
    x = 302,630,941,396.08/706,885.20
  6. Step 6: Final answer
    x = 428,118.94

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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.