Finding the Fourth Proportional to 896,093.70, 1,344,140.55 and 813,149.70
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Solution
The fourth proportional to 896,093.70, 1,344,140.55 and 813,149.70 is: 1,219,724.55
Step by Step Solution
- Step 1: Write the proportion equation
896,093.70 : 1,344,140.55 = 813,149.70 : x - Step 2: Convert to fraction form
896,093.70/1,344,140.55 = 813,149.70/x - Step 3: Cross multiply
896,093.70x = 1,344,140.55 × 813,149.70 - Step 4: Simplify right side
896,093.70x = 1,092,987,484,990.34 - Step 5: Solve for x
x = 1,092,987,484,990.34/896,093.70 - Step 6: Final answer
x = 1,219,724.55
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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.