Home / 478,923.21-660,943.53-264,062.61

Finding the Fourth Proportional to 478,923.21, 660,943.53 and 264,062.61

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Solution

The fourth proportional to 478,923.21, 660,943.53 and 264,062.61 is: 364,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,923.21 : 660,943.53 = 264,062.61 : x
  2. Step 2: Convert to fraction form
    478,923.21/660,943.53 = 264,062.61/x
  3. Step 3: Cross multiply
    478,923.21x = 660,943.53 × 264,062.61
  4. Step 4: Simplify right side
    478,923.21x = 174,530,473,594.41
  5. Step 5: Solve for x
    x = 174,530,473,594.41/478,923.21
  6. Step 6: Final answer
    x = 364,422.67

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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.