Home / 792,690.64-1,189,424.76-372,000.72

Finding the Fourth Proportional to 792,690.64, 1,189,424.76 and 372,000.72

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Solution

The fourth proportional to 792,690.64, 1,189,424.76 and 372,000.72 is: 558,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,690.64 : 1,189,424.76 = 372,000.72 : x
  2. Step 2: Convert to fraction form
    792,690.64/1,189,424.76 = 372,000.72/x
  3. Step 3: Cross multiply
    792,690.64x = 1,189,424.76 × 372,000.72
  4. Step 4: Simplify right side
    792,690.64x = 442,466,867,105.83
  5. Step 5: Solve for x
    x = 442,466,867,105.83/792,690.64
  6. Step 6: Final answer
    x = 558,183.54

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1.5x scale

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.