Finding the Fourth Proportional to 968,203.80, 1,336,138.41 and 538,484.13
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Solution
The fourth proportional to 968,203.80, 1,336,138.41 and 538,484.13 is: 743,117.65
Step by Step Solution
- Step 1: Write the proportion equation
968,203.80 : 1,336,138.41 = 538,484.13 : x - Step 2: Convert to fraction form
968,203.80/1,336,138.41 = 538,484.13/x - Step 3: Cross multiply
968,203.80x = 1,336,138.41 × 538,484.13 - Step 4: Simplify right side
968,203.80x = 719,489,329,268.43 - Step 5: Solve for x
x = 719,489,329,268.43/968,203.80 - Step 6: Final answer
x = 743,117.65
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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.