Finding the Fourth Proportional to 615,703.86, 849,663.32 and 343,776.42
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Solution
The fourth proportional to 615,703.86, 849,663.32 and 343,776.42 is: 474,406.99
Step by Step Solution
- Step 1: Write the proportion equation
615,703.86 : 849,663.32 = 343,776.42 : x - Step 2: Convert to fraction form
615,703.86/849,663.32 = 343,776.42/x - Step 3: Cross multiply
615,703.86x = 849,663.32 × 343,776.42 - Step 4: Simplify right side
615,703.86x = 292,094,212,636.03 - Step 5: Solve for x
x = 292,094,212,636.03/615,703.86 - Step 6: Final answer
x = 474,406.99
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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.