Home / 850,871.20-1,276,306.80-651,805.60

Finding the Fourth Proportional to 850,871.20, 1,276,306.80 and 651,805.60

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Solution

The fourth proportional to 850,871.20, 1,276,306.80 and 651,805.60 is: 977,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,871.20 : 1,276,306.80 = 651,805.60 : x
  2. Step 2: Convert to fraction form
    850,871.20/1,276,306.80 = 651,805.60/x
  3. Step 3: Cross multiply
    850,871.20x = 1,276,306.80 × 651,805.60
  4. Step 4: Simplify right side
    850,871.20x = 831,903,919,558.08
  5. Step 5: Solve for x
    x = 831,903,919,558.08/850,871.20
  6. Step 6: Final answer
    x = 977,708.40

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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.