Finding the Fourth Proportional to 1,000,292.78, 1,380,403.94 and 541,407.28
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Solution
The fourth proportional to 1,000,292.78, 1,380,403.94 and 541,407.28 is: 747,141.99
Step by Step Solution
- Step 1: Write the proportion equation
1,000,292.78 : 1,380,403.94 = 541,407.28 : x - Step 2: Convert to fraction form
1,000,292.78/1,380,403.94 = 541,407.28/x - Step 3: Cross multiply
1,000,292.78x = 1,380,403.94 × 541,407.28 - Step 4: Simplify right side
1,000,292.78x = 747,360,740,359.19 - Step 5: Solve for x
x = 747,360,740,359.19/1,000,292.78 - Step 6: Final answer
x = 747,141.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.