Home / 706,904.40-1,060,356.60-285,963.60

Finding the Fourth Proportional to 706,904.40, 1,060,356.60 and 285,963.60

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Solution

The fourth proportional to 706,904.40, 1,060,356.60 and 285,963.60 is: 428,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,904.40 : 1,060,356.60 = 285,963.60 : x
  2. Step 2: Convert to fraction form
    706,904.40/1,060,356.60 = 285,963.60/x
  3. Step 3: Cross multiply
    706,904.40x = 1,060,356.60 × 285,963.60
  4. Step 4: Simplify right side
    706,904.40x = 303,223,390,619.76
  5. Step 5: Solve for x
    x = 303,223,390,619.76/706,904.40
  6. Step 6: Final answer
    x = 428,945.40

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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.