Home / 879,518.57-1,213,737.95-477,110.57

Finding the Fourth Proportional to 879,518.57, 1,213,737.95 and 477,110.57

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Solution

The fourth proportional to 879,518.57, 1,213,737.95 and 477,110.57 is: 658,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,518.57 : 1,213,737.95 = 477,110.57 : x
  2. Step 2: Convert to fraction form
    879,518.57/1,213,737.95 = 477,110.57/x
  3. Step 3: Cross multiply
    879,518.57x = 1,213,737.95 × 477,110.57
  4. Step 4: Simplify right side
    879,518.57x = 579,087,200,279.22
  5. Step 5: Solve for x
    x = 579,087,200,279.22/879,518.57
  6. Step 6: Final answer
    x = 658,413.85

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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.