Home / 879,322.32-1,213,466.94-476,914.32

Finding the Fourth Proportional to 879,322.32, 1,213,466.94 and 476,914.32

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Solution

The fourth proportional to 879,322.32, 1,213,466.94 and 476,914.32 is: 658,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,322.32 : 1,213,466.94 = 476,914.32 : x
  2. Step 2: Convert to fraction form
    879,322.32/1,213,466.94 = 476,914.32/x
  3. Step 3: Cross multiply
    879,322.32x = 1,213,466.94 × 476,914.32
  4. Step 4: Simplify right side
    879,322.32x = 578,719,760,532.58
  5. Step 5: Solve for x
    x = 578,719,760,532.58/879,322.32
  6. Step 6: Final answer
    x = 658,142.92

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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.