Finding the Fourth Proportional to 926,078.08, 1,396,058.40 and 864,353.60
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Solution
The fourth proportional to 926,078.08, 1,396,058.40 and 864,353.60 is: 1,303,009.03
Step by Step Solution
- Step 1: Write the proportion equation
926,078.08 : 1,396,058.40 = 864,353.60 : x - Step 2: Convert to fraction form
926,078.08/1,396,058.40 = 864,353.60/x - Step 3: Cross multiply
926,078.08x = 1,396,058.40 × 864,353.60 - Step 4: Simplify right side
926,078.08x = 1,206,688,103,850.24 - Step 5: Solve for x
x = 1,206,688,103,850.24/926,078.08 - Step 6: Final answer
x = 1,303,009.03
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.