Finding the Fourth Proportional to 703,285.70, 1,054,237.35 and 628,636.10
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Solution
The fourth proportional to 703,285.70, 1,054,237.35 and 628,636.10 is: 942,336.32
Step by Step Solution
- Step 1: Write the proportion equation
703,285.70 : 1,054,237.35 = 628,636.10 : x - Step 2: Convert to fraction form
703,285.70/1,054,237.35 = 628,636.10/x - Step 3: Cross multiply
703,285.70x = 1,054,237.35 × 628,636.10 - Step 4: Simplify right side
703,285.70x = 662,731,656,178.34 - Step 5: Solve for x
x = 662,731,656,178.34/703,285.70 - Step 6: Final answer
x = 942,336.32
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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.