Home / 668,433.48-1,003,058.46-289,455.54

Finding the Fourth Proportional to 668,433.48, 1,003,058.46 and 289,455.54

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Solution

The fourth proportional to 668,433.48, 1,003,058.46 and 289,455.54 is: 434,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,433.48 : 1,003,058.46 = 289,455.54 : x
  2. Step 2: Convert to fraction form
    668,433.48/1,003,058.46 = 289,455.54/x
  3. Step 3: Cross multiply
    668,433.48x = 1,003,058.46 × 289,455.54
  4. Step 4: Simplify right side
    668,433.48x = 290,340,828,190.87
  5. Step 5: Solve for x
    x = 290,340,828,190.87/668,433.48
  6. Step 6: Final answer
    x = 434,360.09

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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.