Home / 850,942.20-1,276,413.30-473,028.60

Finding the Fourth Proportional to 850,942.20, 1,276,413.30 and 473,028.60

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Solution

The fourth proportional to 850,942.20, 1,276,413.30 and 473,028.60 is: 709,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,942.20 : 1,276,413.30 = 473,028.60 : x
  2. Step 2: Convert to fraction form
    850,942.20/1,276,413.30 = 473,028.60/x
  3. Step 3: Cross multiply
    850,942.20x = 1,276,413.30 × 473,028.60
  4. Step 4: Simplify right side
    850,942.20x = 603,779,996,320.38
  5. Step 5: Solve for x
    x = 603,779,996,320.38/850,942.20
  6. Step 6: Final answer
    x = 709,542.90

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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.