Home / 979,794.86-1,469,784.74-380,801.89

Finding the Fourth Proportional to 979,794.86, 1,469,784.74 and 380,801.89

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Solution

The fourth proportional to 979,794.86, 1,469,784.74 and 380,801.89 is: 571,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,794.86 : 1,469,784.74 = 380,801.89 : x
  2. Step 2: Convert to fraction form
    979,794.86/1,469,784.74 = 380,801.89/x
  3. Step 3: Cross multiply
    979,794.86x = 1,469,784.74 × 380,801.89
  4. Step 4: Simplify right side
    979,794.86x = 559,696,806,885.16
  5. Step 5: Solve for x
    x = 559,696,806,885.16/979,794.86
  6. Step 6: Final answer
    x = 571,238.77

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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.