Home / 831,712.60-1,248,152.10-532,919.80

Finding the Fourth Proportional to 831,712.60, 1,248,152.10 and 532,919.80

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Solution

The fourth proportional to 831,712.60, 1,248,152.10 and 532,919.80 is: 799,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,712.60 : 1,248,152.10 = 532,919.80 : x
  2. Step 2: Convert to fraction form
    831,712.60/1,248,152.10 = 532,919.80/x
  3. Step 3: Cross multiply
    831,712.60x = 1,248,152.10 × 532,919.80
  4. Step 4: Simplify right side
    831,712.60x = 665,164,967,501.58
  5. Step 5: Solve for x
    x = 665,164,967,501.58/831,712.60
  6. Step 6: Final answer
    x = 799,753.39

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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.