Finding the Fourth Proportional to 805,878.64, 1,209,241.32 and 356,909.68
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Solution
The fourth proportional to 805,878.64, 1,209,241.32 and 356,909.68 is: 535,552.02
Step by Step Solution
- Step 1: Write the proportion equation
805,878.64 : 1,209,241.32 = 356,909.68 : x - Step 2: Convert to fraction form
805,878.64/1,209,241.32 = 356,909.68/x - Step 3: Cross multiply
805,878.64x = 1,209,241.32 × 356,909.68 - Step 4: Simplify right side
805,878.64x = 431,589,932,563.98 - Step 5: Solve for x
x = 431,589,932,563.98/805,878.64 - Step 6: Final answer
x = 535,552.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.