Finding the Fourth Proportional to 867,416.08, 1,197,577.58 and 557,444.40
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Solution
The fourth proportional to 867,416.08, 1,197,577.58 and 557,444.40 is: 769,622.48
Step by Step Solution
- Step 1: Write the proportion equation
867,416.08 : 1,197,577.58 = 557,444.40 : x - Step 2: Convert to fraction form
867,416.08/1,197,577.58 = 557,444.40/x - Step 3: Cross multiply
867,416.08x = 1,197,577.58 × 557,444.40 - Step 4: Simplify right side
867,416.08x = 667,582,915,536.55 - Step 5: Solve for x
x = 667,582,915,536.55/867,416.08 - Step 6: Final answer
x = 769,622.48
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1.5x scale
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.