Finding the Fourth Proportional to 890,638.24, 1,333,742.40 and 623,146.48
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Solution
The fourth proportional to 890,638.24, 1,333,742.40 and 623,146.48 is: 933,169.99
Step by Step Solution
- Step 1: Write the proportion equation
890,638.24 : 1,333,742.40 = 623,146.48 : x - Step 2: Convert to fraction form
890,638.24/1,333,742.40 = 623,146.48/x - Step 3: Cross multiply
890,638.24x = 1,333,742.40 × 623,146.48 - Step 4: Simplify right side
890,638.24x = 831,116,881,786.75 - Step 5: Solve for x
x = 831,116,881,786.75/890,638.24 - Step 6: Final answer
x = 933,169.99
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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.