Home / 816,477.42-1,126,777.29-453,907.32

Finding the Fourth Proportional to 816,477.42, 1,126,777.29 and 453,907.32

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Solution

The fourth proportional to 816,477.42, 1,126,777.29 and 453,907.32 is: 626,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,477.42 : 1,126,777.29 = 453,907.32 : x
  2. Step 2: Convert to fraction form
    816,477.42/1,126,777.29 = 453,907.32/x
  3. Step 3: Cross multiply
    816,477.42x = 1,126,777.29 × 453,907.32
  4. Step 4: Simplify right side
    816,477.42x = 511,452,459,940.76
  5. Step 5: Solve for x
    x = 511,452,459,940.76/816,477.42
  6. Step 6: Final answer
    x = 626,413.48

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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.