Home / 879,671.96-1,213,818.25-492,467.26

Finding the Fourth Proportional to 879,671.96, 1,213,818.25 and 492,467.26

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Solution

The fourth proportional to 879,671.96, 1,213,818.25 and 492,467.26 is: 679,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,671.96 : 1,213,818.25 = 492,467.26 : x
  2. Step 2: Convert to fraction form
    879,671.96/1,213,818.25 = 492,467.26/x
  3. Step 3: Cross multiply
    879,671.96x = 1,213,818.25 × 492,467.26
  4. Step 4: Simplify right side
    879,671.96x = 597,765,739,184.07
  5. Step 5: Solve for x
    x = 597,765,739,184.07/879,671.96
  6. Step 6: Final answer
    x = 679,532.56

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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.