Finding the Fourth Proportional to 958,811.57, 1,437,374.88 and 390,670.42
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Solution
The fourth proportional to 958,811.57, 1,437,374.88 and 390,670.42 is: 585,662.36
Step by Step Solution
- Step 1: Write the proportion equation
958,811.57 : 1,437,374.88 = 390,670.42 : x - Step 2: Convert to fraction form
958,811.57/1,437,374.88 = 390,670.42/x - Step 3: Cross multiply
958,811.57x = 1,437,374.88 × 390,670.42 - Step 4: Simplify right side
958,811.57x = 561,539,848,067.05 - Step 5: Solve for x
x = 561,539,848,067.05/958,811.57 - Step 6: Final answer
x = 585,662.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.