Home / 706,816.98-1,060,220.52-286,086.78

Finding the Fourth Proportional to 706,816.98, 1,060,220.52 and 286,086.78

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Solution

The fourth proportional to 706,816.98, 1,060,220.52 and 286,086.78 is: 429,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,816.98 : 1,060,220.52 = 286,086.78 : x
  2. Step 2: Convert to fraction form
    706,816.98/1,060,220.52 = 286,086.78/x
  3. Step 3: Cross multiply
    706,816.98x = 1,060,220.52 × 286,086.78
  4. Step 4: Simplify right side
    706,816.98x = 303,315,074,656.73
  5. Step 5: Solve for x
    x = 303,315,074,656.73/706,816.98
  6. Step 6: Final answer
    x = 429,128.17

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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.