Home / 862,436.16-1,292,779.44-412,497.36

Finding the Fourth Proportional to 862,436.16, 1,292,779.44 and 412,497.36

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Solution

The fourth proportional to 862,436.16, 1,292,779.44 and 412,497.36 is: 618,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,436.16 : 1,292,779.44 = 412,497.36 : x
  2. Step 2: Convert to fraction form
    862,436.16/1,292,779.44 = 412,497.36/x
  3. Step 3: Cross multiply
    862,436.16x = 1,292,779.44 × 412,497.36
  4. Step 4: Simplify right side
    862,436.16x = 533,268,106,062.28
  5. Step 5: Solve for x
    x = 533,268,106,062.28/862,436.16
  6. Step 6: Final answer
    x = 618,327.63

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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.