Home / 831,623.60-1,248,018.60-532,830.80

Finding the Fourth Proportional to 831,623.60, 1,248,018.60 and 532,830.80

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Solution

The fourth proportional to 831,623.60, 1,248,018.60 and 532,830.80 is: 799,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,623.60 : 1,248,018.60 = 532,830.80 : x
  2. Step 2: Convert to fraction form
    831,623.60/1,248,018.60 = 532,830.80/x
  3. Step 3: Cross multiply
    831,623.60x = 1,248,018.60 × 532,830.80
  4. Step 4: Simplify right side
    831,623.60x = 664,982,749,052.88
  5. Step 5: Solve for x
    x = 664,982,749,052.88/831,623.60
  6. Step 6: Final answer
    x = 799,619.86

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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.