Finding the Fourth Proportional to 1,329,357.02, 1,993,838.42 and 430,878.02
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Solution
The fourth proportional to 1,329,357.02, 1,993,838.42 and 430,878.02 is: 646,253.14
Step by Step Solution
- Step 1: Write the proportion equation
1,329,357.02 : 1,993,838.42 = 430,878.02 : x - Step 2: Convert to fraction form
1,329,357.02/1,993,838.42 = 430,878.02/x - Step 3: Cross multiply
1,329,357.02x = 1,993,838.42 × 430,878.02 - Step 4: Simplify right side
1,329,357.02x = 859,101,150,609.53 - Step 5: Solve for x
x = 859,101,150,609.53/1,329,357.02 - Step 6: Final answer
x = 646,253.14
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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.