Finding the Fourth Proportional to 1,338,618.48, 2,008,725.58 and 485,756.68
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Solution
The fourth proportional to 1,338,618.48, 2,008,725.58 and 485,756.68 is: 728,924.55
Step by Step Solution
- Step 1: Write the proportion equation
1,338,618.48 : 2,008,725.58 = 485,756.68 : x - Step 2: Convert to fraction form
1,338,618.48/2,008,725.58 = 485,756.68/x - Step 3: Cross multiply
1,338,618.48x = 2,008,725.58 × 485,756.68 - Step 4: Simplify right side
1,338,618.48x = 975,751,868,771.87 - Step 5: Solve for x
x = 975,751,868,771.87/1,338,618.48 - Step 6: Final answer
x = 728,924.55
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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.