Home / 840,632.85-1,158,718.16-568,601.54

Finding the Fourth Proportional to 840,632.85, 1,158,718.16 and 568,601.54

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Solution

The fourth proportional to 840,632.85, 1,158,718.16 and 568,601.54 is: 783,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,632.85 : 1,158,718.16 = 568,601.54 : x
  2. Step 2: Convert to fraction form
    840,632.85/1,158,718.16 = 568,601.54/x
  3. Step 3: Cross multiply
    840,632.85x = 1,158,718.16 × 568,601.54
  4. Step 4: Simplify right side
    840,632.85x = 658,848,924,462.16
  5. Step 5: Solve for x
    x = 658,848,924,462.16/840,632.85
  6. Step 6: Final answer
    x = 783,753.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.