Home / 740,223.20-1,110,334.80-266,956.40

Finding the Fourth Proportional to 740,223.20, 1,110,334.80 and 266,956.40

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Solution

The fourth proportional to 740,223.20, 1,110,334.80 and 266,956.40 is: 400,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,223.20 : 1,110,334.80 = 266,956.40 : x
  2. Step 2: Convert to fraction form
    740,223.20/1,110,334.80 = 266,956.40/x
  3. Step 3: Cross multiply
    740,223.20x = 1,110,334.80 × 266,956.40
  4. Step 4: Simplify right side
    740,223.20x = 296,410,981,002.72
  5. Step 5: Solve for x
    x = 296,410,981,002.72/740,223.20
  6. Step 6: Final answer
    x = 400,434.60

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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.