Finding the Fourth Proportional to 1,312,757.36, 1,969,486.10 and 471,316.40
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Solution
The fourth proportional to 1,312,757.36, 1,969,486.10 and 471,316.40 is: 707,100.28
Step by Step Solution
- Step 1: Write the proportion equation
1,312,757.36 : 1,969,486.10 = 471,316.40 : x - Step 2: Convert to fraction form
1,312,757.36/1,969,486.10 = 471,316.40/x - Step 3: Cross multiply
1,312,757.36x = 1,969,486.10 × 471,316.40 - Step 4: Simplify right side
1,312,757.36x = 928,251,096,145.46 - Step 5: Solve for x
x = 928,251,096,145.46/1,312,757.36 - Step 6: Final answer
x = 707,100.28
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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.