Finding the Fourth Proportional to 619,355.44, 854,666.26 and 343,728.08
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Solution
The fourth proportional to 619,355.44, 854,666.26 and 343,728.08 is: 474,320.19
Step by Step Solution
- Step 1: Write the proportion equation
619,355.44 : 854,666.26 = 343,728.08 : x - Step 2: Convert to fraction form
619,355.44/854,666.26 = 343,728.08/x - Step 3: Cross multiply
619,355.44x = 854,666.26 × 343,728.08 - Step 4: Simplify right side
619,355.44x = 293,772,792,590.58 - Step 5: Solve for x
x = 293,772,792,590.58/619,355.44 - Step 6: Final answer
x = 474,320.19
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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.