Finding the Fourth Proportional to 751,648.64, 1,127,352.93 and 219,045.08
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Solution
The fourth proportional to 751,648.64, 1,127,352.93 and 219,045.08 is: 328,532.65
Step by Step Solution
- Step 1: Write the proportion equation
751,648.64 : 1,127,352.93 = 219,045.08 : x - Step 2: Convert to fraction form
751,648.64/1,127,352.93 = 219,045.08/x - Step 3: Cross multiply
751,648.64x = 1,127,352.93 × 219,045.08 - Step 4: Simplify right side
751,648.64x = 246,941,114,737.05 - Step 5: Solve for x
x = 246,941,114,737.05/751,648.64 - Step 6: Final answer
x = 328,532.65
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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.