Home / 778,722.60-1,166,115.60-511,033.80

Finding the Fourth Proportional to 778,722.60, 1,166,115.60 and 511,033.80

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Solution

The fourth proportional to 778,722.60, 1,166,115.60 and 511,033.80 is: 765,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,722.60 : 1,166,115.60 = 511,033.80 : x
  2. Step 2: Convert to fraction form
    778,722.60/1,166,115.60 = 511,033.80/x
  3. Step 3: Cross multiply
    778,722.60x = 1,166,115.60 × 511,033.80
  4. Step 4: Simplify right side
    778,722.60x = 595,924,486,307.28
  5. Step 5: Solve for x
    x = 595,924,486,307.28/778,722.60
  6. Step 6: Final answer
    x = 765,259.01

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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.