Finding the Fourth Proportional to 827,009.80, 1,239,858.60 and 453,032.80
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Solution
The fourth proportional to 827,009.80, 1,239,858.60 and 453,032.80 is: 679,189.79
Step by Step Solution
- Step 1: Write the proportion equation
827,009.80 : 1,239,858.60 = 453,032.80 : x - Step 2: Convert to fraction form
827,009.80/1,239,858.60 = 453,032.80/x - Step 3: Cross multiply
827,009.80x = 1,239,858.60 × 453,032.80 - Step 4: Simplify right side
827,009.80x = 561,696,613,162.08 - Step 5: Solve for x
x = 561,696,613,162.08/827,009.80 - Step 6: Final answer
x = 679,189.79
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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.