Home / 612,942.27-845,870.09-341,013.33

Finding the Fourth Proportional to 612,942.27, 845,870.09 and 341,013.33

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Solution

The fourth proportional to 612,942.27, 845,870.09 and 341,013.33 is: 470,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,942.27 : 845,870.09 = 341,013.33 : x
  2. Step 2: Convert to fraction form
    612,942.27/845,870.09 = 341,013.33/x
  3. Step 3: Cross multiply
    612,942.27x = 845,870.09 × 341,013.33
  4. Step 4: Simplify right side
    612,942.27x = 288,452,974,433.23
  5. Step 5: Solve for x
    x = 288,452,974,433.23/612,942.27
  6. Step 6: Final answer
    x = 470,603.82

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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.