Finding the Fourth Proportional to 998,136.56, 1,497,329.10 and 390,846.48
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Solution
The fourth proportional to 998,136.56, 1,497,329.10 and 390,846.48 is: 586,318.38
Step by Step Solution
- Step 1: Write the proportion equation
998,136.56 : 1,497,329.10 = 390,846.48 : x - Step 2: Convert to fraction form
998,136.56/1,497,329.10 = 390,846.48/x - Step 3: Cross multiply
998,136.56x = 1,497,329.10 × 390,846.48 - Step 4: Simplify right side
998,136.56x = 585,225,808,136.57 - Step 5: Solve for x
x = 585,225,808,136.57/998,136.56 - Step 6: Final answer
x = 586,318.38
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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.