Finding the Fourth Proportional to 628,703.13, 943,055.00 and 207,979.01
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Solution
The fourth proportional to 628,703.13, 943,055.00 and 207,979.01 is: 311,968.61
Step by Step Solution
- Step 1: Write the proportion equation
628,703.13 : 943,055.00 = 207,979.01 : x - Step 2: Convert to fraction form
628,703.13/943,055.00 = 207,979.01/x - Step 3: Cross multiply
628,703.13x = 943,055.00 × 207,979.01 - Step 4: Simplify right side
628,703.13x = 196,135,641,080.22 - Step 5: Solve for x
x = 196,135,641,080.22/628,703.13 - Step 6: Final answer
x = 311,968.61
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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.