Home / 999,577.22-1,499,365.83-289,605.74

Finding the Fourth Proportional to 999,577.22, 1,499,365.83 and 289,605.74

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Solution

The fourth proportional to 999,577.22, 1,499,365.83 and 289,605.74 is: 434,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,577.22 : 1,499,365.83 = 289,605.74 : x
  2. Step 2: Convert to fraction form
    999,577.22/1,499,365.83 = 289,605.74/x
  3. Step 3: Cross multiply
    999,577.22x = 1,499,365.83 × 289,605.74
  4. Step 4: Simplify right side
    999,577.22x = 434,224,950,727.86
  5. Step 5: Solve for x
    x = 434,224,950,727.86/999,577.22
  6. Step 6: Final answer
    x = 434,408.61

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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.