Home / 850,577.60-1,275,866.40-771,845.60

Finding the Fourth Proportional to 850,577.60, 1,275,866.40 and 771,845.60

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Solution

The fourth proportional to 850,577.60, 1,275,866.40 and 771,845.60 is: 1,157,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,577.60 : 1,275,866.40 = 771,845.60 : x
  2. Step 2: Convert to fraction form
    850,577.60/1,275,866.40 = 771,845.60/x
  3. Step 3: Cross multiply
    850,577.60x = 1,275,866.40 × 771,845.60
  4. Step 4: Simplify right side
    850,577.60x = 984,771,867,027.84
  5. Step 5: Solve for x
    x = 984,771,867,027.84/850,577.60
  6. Step 6: Final answer
    x = 1,157,768.40

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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.