Home / 816,306.07-1,224,548.40-276,951.77

Finding the Fourth Proportional to 816,306.07, 1,224,548.40 and 276,951.77

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Solution

The fourth proportional to 816,306.07, 1,224,548.40 and 276,951.77 is: 415,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,306.07 : 1,224,548.40 = 276,951.77 : x
  2. Step 2: Convert to fraction form
    816,306.07/1,224,548.40 = 276,951.77/x
  3. Step 3: Cross multiply
    816,306.07x = 1,224,548.40 × 276,951.77
  4. Step 4: Simplify right side
    816,306.07x = 339,140,846,830.67
  5. Step 5: Solve for x
    x = 339,140,846,830.67/816,306.07
  6. Step 6: Final answer
    x = 415,457.95

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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.