Finding the Fourth Proportional to 634,918.68, 876,129.84 and 376,751.07
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Solution
The fourth proportional to 634,918.68, 876,129.84 and 376,751.07 is: 519,882.10
Step by Step Solution
- Step 1: Write the proportion equation
634,918.68 : 876,129.84 = 376,751.07 : x - Step 2: Convert to fraction form
634,918.68/876,129.84 = 376,751.07/x - Step 3: Cross multiply
634,918.68x = 876,129.84 × 376,751.07 - Step 4: Simplify right side
634,918.68x = 330,082,854,678.93 - Step 5: Solve for x
x = 330,082,854,678.93/634,918.68 - Step 6: Final answer
x = 519,882.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.