Finding the Fourth Proportional to 749,678.08, 1,034,453.76 and 447,808
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Solution
The fourth proportional to 749,678.08, 1,034,453.76 and 447,808 is: 617,914.12
Step by Step Solution
- Step 1: Write the proportion equation
749,678.08 : 1,034,453.76 = 447,808 : x - Step 2: Convert to fraction form
749,678.08/1,034,453.76 = 447,808/x - Step 3: Cross multiply
749,678.08x = 1,034,453.76 × 447,808 - Step 4: Simplify right side
749,678.08x = 463,236,669,358.08 - Step 5: Solve for x
x = 463,236,669,358.08/749,678.08 - Step 6: Final answer
x = 617,914.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.