Finding the Fourth Proportional to 557,694.14, 769,555.44 and 315,924.93
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Solution
The fourth proportional to 557,694.14, 769,555.44 and 315,924.93 is: 435,941.02
Step by Step Solution
- Step 1: Write the proportion equation
557,694.14 : 769,555.44 = 315,924.93 : x - Step 2: Convert to fraction form
557,694.14/769,555.44 = 315,924.93/x - Step 3: Cross multiply
557,694.14x = 769,555.44 × 315,924.93 - Step 4: Simplify right side
557,694.14x = 243,121,748,513.12 - Step 5: Solve for x
x = 243,121,748,513.12/557,694.14 - Step 6: Final answer
x = 435,941.02
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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.