Home / 850,733.60-1,276,100.40-772,001.60

Finding the Fourth Proportional to 850,733.60, 1,276,100.40 and 772,001.60

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Solution

The fourth proportional to 850,733.60, 1,276,100.40 and 772,001.60 is: 1,158,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,733.60 : 1,276,100.40 = 772,001.60 : x
  2. Step 2: Convert to fraction form
    850,733.60/1,276,100.40 = 772,001.60/x
  3. Step 3: Cross multiply
    850,733.60x = 1,276,100.40 × 772,001.60
  4. Step 4: Simplify right side
    850,733.60x = 985,151,550,560.64
  5. Step 5: Solve for x
    x = 985,151,550,560.64/850,733.60
  6. Step 6: Final answer
    x = 1,158,002.40

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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.