Finding the Fourth Proportional to 808,789.85, 1,116,122.26 and 446,216.63
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Solution
The fourth proportional to 808,789.85, 1,116,122.26 and 446,216.63 is: 615,774.68
Step by Step Solution
- Step 1: Write the proportion equation
808,789.85 : 1,116,122.26 = 446,216.63 : x - Step 2: Convert to fraction form
808,789.85/1,116,122.26 = 446,216.63/x - Step 3: Cross multiply
808,789.85x = 1,116,122.26 × 446,216.63 - Step 4: Simplify right side
808,789.85x = 498,032,313,525.18 - Step 5: Solve for x
x = 498,032,313,525.18/808,789.85 - Step 6: Final answer
x = 615,774.68
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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.