Home / 767,804.41-1,152,413.43-388,988.67

Finding the Fourth Proportional to 767,804.41, 1,152,413.43 and 388,988.67

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Solution

The fourth proportional to 767,804.41, 1,152,413.43 and 388,988.67 is: 583,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,804.41 : 1,152,413.43 = 388,988.67 : x
  2. Step 2: Convert to fraction form
    767,804.41/1,152,413.43 = 388,988.67/x
  3. Step 3: Cross multiply
    767,804.41x = 1,152,413.43 × 388,988.67
  4. Step 4: Simplify right side
    767,804.41x = 448,275,767,425.84
  5. Step 5: Solve for x
    x = 448,275,767,425.84/767,804.41
  6. Step 6: Final answer
    x = 583,841.09

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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.