Finding the Fourth Proportional to 1,102,224.79, 1,653,441.75 and 428,358.15
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Solution
The fourth proportional to 1,102,224.79, 1,653,441.75 and 428,358.15 is: 642,577.86
Step by Step Solution
- Step 1: Write the proportion equation
1,102,224.79 : 1,653,441.75 = 428,358.15 : x - Step 2: Convert to fraction form
1,102,224.79/1,653,441.75 = 428,358.15/x - Step 3: Cross multiply
1,102,224.79x = 1,653,441.75 × 428,358.15 - Step 4: Simplify right side
1,102,224.79x = 708,265,249,162.76 - Step 5: Solve for x
x = 708,265,249,162.76/1,102,224.79 - Step 6: Final answer
x = 642,577.86
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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.