Home / 831,638.60-1,248,041.10-532,845.80

Finding the Fourth Proportional to 831,638.60, 1,248,041.10 and 532,845.80

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Solution

The fourth proportional to 831,638.60, 1,248,041.10 and 532,845.80 is: 799,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,638.60 : 1,248,041.10 = 532,845.80 : x
  2. Step 2: Convert to fraction form
    831,638.60/1,248,041.10 = 532,845.80/x
  3. Step 3: Cross multiply
    831,638.60x = 1,248,041.10 × 532,845.80
  4. Step 4: Simplify right side
    831,638.60x = 665,013,458,362.38
  5. Step 5: Solve for x
    x = 665,013,458,362.38/831,638.60
  6. Step 6: Final answer
    x = 799,642.37

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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.