Home / 478,126.06-659,818.83-263,286.07

Finding the Fourth Proportional to 478,126.06, 659,818.83 and 263,286.07

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Solution

The fourth proportional to 478,126.06, 659,818.83 and 263,286.07 is: 363,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,126.06 : 659,818.83 = 263,286.07 : x
  2. Step 2: Convert to fraction form
    478,126.06/659,818.83 = 263,286.07/x
  3. Step 3: Cross multiply
    478,126.06x = 659,818.83 × 263,286.07
  4. Step 4: Simplify right side
    478,126.06x = 173,721,106,662.70
  5. Step 5: Solve for x
    x = 173,721,106,662.70/478,126.06
  6. Step 6: Final answer
    x = 363,337.46

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1.5x scale

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.