Finding the Fourth Proportional to 1,128,452.64, 1,692,788.04 and 329,715.96
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Solution
The fourth proportional to 1,128,452.64, 1,692,788.04 and 329,715.96 is: 494,605.81
Step by Step Solution
- Step 1: Write the proportion equation
1,128,452.64 : 1,692,788.04 = 329,715.96 : x - Step 2: Convert to fraction form
1,128,452.64/1,692,788.04 = 329,715.96/x - Step 3: Cross multiply
1,128,452.64x = 1,692,788.04 × 329,715.96 - Step 4: Simplify right side
1,128,452.64x = 558,139,233,685.12 - Step 5: Solve for x
x = 558,139,233,685.12/1,128,452.64 - Step 6: Final answer
x = 494,605.81
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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.