Home / 891,830.22-1,337,697.60-315,413.56

Finding the Fourth Proportional to 891,830.22, 1,337,697.60 and 315,413.56

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Solution

The fourth proportional to 891,830.22, 1,337,697.60 and 315,413.56 is: 473,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,830.22 : 1,337,697.60 = 315,413.56 : x
  2. Step 2: Convert to fraction form
    891,830.22/1,337,697.60 = 315,413.56/x
  3. Step 3: Cross multiply
    891,830.22x = 1,337,697.60 × 315,413.56
  4. Step 4: Simplify right side
    891,830.22x = 421,927,964,482.98
  5. Step 5: Solve for x
    x = 421,927,964,482.98/891,830.22
  6. Step 6: Final answer
    x = 473,103.46

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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.