Home / 778,968.60-1,168,337.70-218,059.80

Finding the Fourth Proportional to 778,968.60, 1,168,337.70 and 218,059.80

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Solution

The fourth proportional to 778,968.60, 1,168,337.70 and 218,059.80 is: 327,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,968.60 : 1,168,337.70 = 218,059.80 : x
  2. Step 2: Convert to fraction form
    778,968.60/1,168,337.70 = 218,059.80/x
  3. Step 3: Cross multiply
    778,968.60x = 1,168,337.70 × 218,059.80
  4. Step 4: Simplify right side
    778,968.60x = 254,767,485,194.46
  5. Step 5: Solve for x
    x = 254,767,485,194.46/778,968.60
  6. Step 6: Final answer
    x = 327,057.45

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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.