Home / 668,523.86-1,003,091.96-289,560.50

Finding the Fourth Proportional to 668,523.86, 1,003,091.96 and 289,560.50

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Solution

The fourth proportional to 668,523.86, 1,003,091.96 and 289,560.50 is: 434,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,523.86 : 1,003,091.96 = 289,560.50 : x
  2. Step 2: Convert to fraction form
    668,523.86/1,003,091.96 = 289,560.50/x
  3. Step 3: Cross multiply
    668,523.86x = 1,003,091.96 × 289,560.50
  4. Step 4: Simplify right side
    668,523.86x = 290,455,805,192.02
  5. Step 5: Solve for x
    x = 290,455,805,192.02/668,523.86
  6. Step 6: Final answer
    x = 434,473.36

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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.