Finding the Fourth Proportional to 988,412.16, 1,482,803.70 and 448,706.28
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Solution
The fourth proportional to 988,412.16, 1,482,803.70 and 448,706.28 is: 673,143.61
Step by Step Solution
- Step 1: Write the proportion equation
988,412.16 : 1,482,803.70 = 448,706.28 : x - Step 2: Convert to fraction form
988,412.16/1,482,803.70 = 448,706.28/x - Step 3: Cross multiply
988,412.16x = 1,482,803.70 × 448,706.28 - Step 4: Simplify right side
988,412.16x = 665,343,332,197.24 - Step 5: Solve for x
x = 665,343,332,197.24/988,412.16 - Step 6: Final answer
x = 673,143.61
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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.