Home / 706,412.40-1,059,618.60-285,471.60

Finding the Fourth Proportional to 706,412.40, 1,059,618.60 and 285,471.60

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Solution

The fourth proportional to 706,412.40, 1,059,618.60 and 285,471.60 is: 428,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,412.40 : 1,059,618.60 = 285,471.60 : x
  2. Step 2: Convert to fraction form
    706,412.40/1,059,618.60 = 285,471.60/x
  3. Step 3: Cross multiply
    706,412.40x = 1,059,618.60 × 285,471.60
  4. Step 4: Simplify right side
    706,412.40x = 302,491,017,131.76
  5. Step 5: Solve for x
    x = 302,491,017,131.76/706,412.40
  6. Step 6: Final answer
    x = 428,207.40

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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.