Finding the Fourth Proportional to 917,158.26, 1,376,027.98 and 715,445.96
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Solution
The fourth proportional to 917,158.26, 1,376,027.98 and 715,445.96 is: 1,073,395.61
Step by Step Solution
- Step 1: Write the proportion equation
917,158.26 : 1,376,027.98 = 715,445.96 : x - Step 2: Convert to fraction form
917,158.26/1,376,027.98 = 715,445.96/x - Step 3: Cross multiply
917,158.26x = 1,376,027.98 × 715,445.96 - Step 4: Simplify right side
917,158.26x = 984,473,650,469.21 - Step 5: Solve for x
x = 984,473,650,469.21/917,158.26 - Step 6: Final answer
x = 1,073,395.61
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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.