Home / 706,411.40-1,059,617.10-285,470.60

Finding the Fourth Proportional to 706,411.40, 1,059,617.10 and 285,470.60

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Solution

The fourth proportional to 706,411.40, 1,059,617.10 and 285,470.60 is: 428,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,411.40 : 1,059,617.10 = 285,470.60 : x
  2. Step 2: Convert to fraction form
    706,411.40/1,059,617.10 = 285,470.60/x
  3. Step 3: Cross multiply
    706,411.40x = 1,059,617.10 × 285,470.60
  4. Step 4: Simplify right side
    706,411.40x = 302,489,529,307.26
  5. Step 5: Solve for x
    x = 302,489,529,307.26/706,411.40
  6. Step 6: Final answer
    x = 428,205.90

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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.