Home / 860,621.68-1,288,408.96-603,563.32

Finding the Fourth Proportional to 860,621.68, 1,288,408.96 and 603,563.32

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Solution

The fourth proportional to 860,621.68, 1,288,408.96 and 603,563.32 is: 903,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,621.68 : 1,288,408.96 = 603,563.32 : x
  2. Step 2: Convert to fraction form
    860,621.68/1,288,408.96 = 603,563.32/x
  3. Step 3: Cross multiply
    860,621.68x = 1,288,408.96 × 603,563.32
  4. Step 4: Simplify right side
    860,621.68x = 777,636,389,415.35
  5. Step 5: Solve for x
    x = 777,636,389,415.35/860,621.68
  6. Step 6: Final answer
    x = 903,575.18

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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.