Home / 860,035.22-1,290,408.24-433,343

Finding the Fourth Proportional to 860,035.22, 1,290,408.24 and 433,343

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Solution

The fourth proportional to 860,035.22, 1,290,408.24 and 433,343 is: 650,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,035.22 : 1,290,408.24 = 433,343 : x
  2. Step 2: Convert to fraction form
    860,035.22/1,290,408.24 = 433,343/x
  3. Step 3: Cross multiply
    860,035.22x = 1,290,408.24 × 433,343
  4. Step 4: Simplify right side
    860,035.22x = 559,189,377,946.32
  5. Step 5: Solve for x
    x = 559,189,377,946.32/860,035.22
  6. Step 6: Final answer
    x = 650,193.58

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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.