Finding the Fourth Proportional to 942,115.08, 1,412,637.30 and 642,958.08
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Solution
The fourth proportional to 942,115.08, 1,412,637.30 and 642,958.08 is: 964,071.78
Step by Step Solution
- Step 1: Write the proportion equation
942,115.08 : 1,412,637.30 = 642,958.08 : x - Step 2: Convert to fraction form
942,115.08/1,412,637.30 = 642,958.08/x - Step 3: Cross multiply
942,115.08x = 1,412,637.30 × 642,958.08 - Step 4: Simplify right side
942,115.08x = 908,266,566,144.38 - Step 5: Solve for x
x = 908,266,566,144.38/942,115.08 - Step 6: Final answer
x = 964,071.78
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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.