Home / 668,524.98-1,003,093.65-289,561.62

Finding the Fourth Proportional to 668,524.98, 1,003,093.65 and 289,561.62

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Solution

The fourth proportional to 668,524.98, 1,003,093.65 and 289,561.62 is: 434,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,524.98 : 1,003,093.65 = 289,561.62 : x
  2. Step 2: Convert to fraction form
    668,524.98/1,003,093.65 = 289,561.62/x
  3. Step 3: Cross multiply
    668,524.98x = 1,003,093.65 × 289,561.62
  4. Step 4: Simplify right side
    668,524.98x = 290,457,422,305.71
  5. Step 5: Solve for x
    x = 290,457,422,305.71/668,524.98
  6. Step 6: Final answer
    x = 434,475.05

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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.