Finding the Fourth Proportional to 937,421.36, 1,406,134.04 and 338,805.12
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Solution
The fourth proportional to 937,421.36, 1,406,134.04 and 338,805.12 is: 508,208.40
Step by Step Solution
- Step 1: Write the proportion equation
937,421.36 : 1,406,134.04 = 338,805.12 : x - Step 2: Convert to fraction form
937,421.36/1,406,134.04 = 338,805.12/x - Step 3: Cross multiply
937,421.36x = 1,406,134.04 × 338,805.12 - Step 4: Simplify right side
937,421.36x = 476,405,412,158.29 - Step 5: Solve for x
x = 476,405,412,158.29/937,421.36 - Step 6: Final answer
x = 508,208.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.