Finding the Fourth Proportional to 803,698.96, 1,205,548.64 and 626,338.84
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Solution
The fourth proportional to 803,698.96, 1,205,548.64 and 626,338.84 is: 939,508.42
Step by Step Solution
- Step 1: Write the proportion equation
803,698.96 : 1,205,548.64 = 626,338.84 : x - Step 2: Convert to fraction form
803,698.96/1,205,548.64 = 626,338.84/x - Step 3: Cross multiply
803,698.96x = 1,205,548.64 × 626,338.84 - Step 4: Simplify right side
803,698.96x = 755,081,936,741.18 - Step 5: Solve for x
x = 755,081,936,741.18/803,698.96 - Step 6: Final answer
x = 939,508.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.