Finding the Fourth Proportional to 892,354.99, 1,341,002.81 and 870,723.57
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Solution
The fourth proportional to 892,354.99, 1,341,002.81 and 870,723.57 is: 1,308,495.80
Step by Step Solution
- Step 1: Write the proportion equation
892,354.99 : 1,341,002.81 = 870,723.57 : x - Step 2: Convert to fraction form
892,354.99/1,341,002.81 = 870,723.57/x - Step 3: Cross multiply
892,354.99x = 1,341,002.81 × 870,723.57 - Step 4: Simplify right side
892,354.99x = 1,167,642,754,103.23 - Step 5: Solve for x
x = 1,167,642,754,103.23/892,354.99 - Step 6: Final answer
x = 1,308,495.80
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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.