Home / 910,544.55-1,365,980.85-378,119.40

Finding the Fourth Proportional to 910,544.55, 1,365,980.85 and 378,119.40

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Solution

The fourth proportional to 910,544.55, 1,365,980.85 and 378,119.40 is: 567,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,544.55 : 1,365,980.85 = 378,119.40 : x
  2. Step 2: Convert to fraction form
    910,544.55/1,365,980.85 = 378,119.40/x
  3. Step 3: Cross multiply
    910,544.55x = 1,365,980.85 × 378,119.40
  4. Step 4: Simplify right side
    910,544.55x = 516,503,859,413.49
  5. Step 5: Solve for x
    x = 516,503,859,413.49/910,544.55
  6. Step 6: Final answer
    x = 567,247.21

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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.