Home / 834,365.85-1,251,485.85-265,723.98

Finding the Fourth Proportional to 834,365.85, 1,251,485.85 and 265,723.98

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Solution

The fourth proportional to 834,365.85, 1,251,485.85 and 265,723.98 is: 398,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,365.85 : 1,251,485.85 = 265,723.98 : x
  2. Step 2: Convert to fraction form
    834,365.85/1,251,485.85 = 265,723.98/x
  3. Step 3: Cross multiply
    834,365.85x = 1,251,485.85 × 265,723.98
  4. Step 4: Simplify right side
    834,365.85x = 332,549,800,975.68
  5. Step 5: Solve for x
    x = 332,549,800,975.68/834,365.85
  6. Step 6: Final answer
    x = 398,565.93

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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.