Home / 706,678.40-1,060,043.20-208,092.80

Finding the Fourth Proportional to 706,678.40, 1,060,043.20 and 208,092.80

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Solution

The fourth proportional to 706,678.40, 1,060,043.20 and 208,092.80 is: 312,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,678.40 : 1,060,043.20 = 208,092.80 : x
  2. Step 2: Convert to fraction form
    706,678.40/1,060,043.20 = 208,092.80/x
  3. Step 3: Cross multiply
    706,678.40x = 1,060,043.20 × 208,092.80
  4. Step 4: Simplify right side
    706,678.40x = 220,587,357,608.96
  5. Step 5: Solve for x
    x = 220,587,357,608.96/706,678.40
  6. Step 6: Final answer
    x = 312,146.74

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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.