Home / 831,730.60-1,248,179.10-532,937.80

Finding the Fourth Proportional to 831,730.60, 1,248,179.10 and 532,937.80

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Solution

The fourth proportional to 831,730.60, 1,248,179.10 and 532,937.80 is: 799,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,730.60 : 1,248,179.10 = 532,937.80 : x
  2. Step 2: Convert to fraction form
    831,730.60/1,248,179.10 = 532,937.80/x
  3. Step 3: Cross multiply
    831,730.60x = 1,248,179.10 × 532,937.80
  4. Step 4: Simplify right side
    831,730.60x = 665,201,823,559.98
  5. Step 5: Solve for x
    x = 665,201,823,559.98/831,730.60
  6. Step 6: Final answer
    x = 799,780.39

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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.