Finding the Fourth Proportional to 615,058.99, 848,781.79 and 343,126.90
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Solution
The fourth proportional to 615,058.99, 848,781.79 and 343,126.90 is: 473,515.34
Step by Step Solution
- Step 1: Write the proportion equation
615,058.99 : 848,781.79 = 343,126.90 : x - Step 2: Convert to fraction form
615,058.99/848,781.79 = 343,126.90/x - Step 3: Cross multiply
615,058.99x = 848,781.79 × 343,126.90 - Step 4: Simplify right side
615,058.99x = 291,239,864,582.31 - Step 5: Solve for x
x = 291,239,864,582.31/615,058.99 - Step 6: Final answer
x = 473,515.34
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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.