Finding the Fourth Proportional to 717,140.70, 1,075,367.94 and 417,706.70
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Solution
The fourth proportional to 717,140.70, 1,075,367.94 and 417,706.70 is: 626,360.20
Step by Step Solution
- Step 1: Write the proportion equation
717,140.70 : 1,075,367.94 = 417,706.70 : x - Step 2: Convert to fraction form
717,140.70/1,075,367.94 = 417,706.70/x - Step 3: Cross multiply
717,140.70x = 1,075,367.94 × 417,706.70 - Step 4: Simplify right side
717,140.70x = 449,188,393,503.20 - Step 5: Solve for x
x = 449,188,393,503.20/717,140.70 - Step 6: Final answer
x = 626,360.20
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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.