Finding the Fourth Proportional to 580,117.92, 870,073.08 and 369,129.12
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Solution
The fourth proportional to 580,117.92, 870,073.08 and 369,129.12 is: 553,627.63
Step by Step Solution
- Step 1: Write the proportion equation
580,117.92 : 870,073.08 = 369,129.12 : x - Step 2: Convert to fraction form
580,117.92/870,073.08 = 369,129.12/x - Step 3: Cross multiply
580,117.92x = 870,073.08 × 369,129.12 - Step 4: Simplify right side
580,117.92x = 321,169,310,356.09 - Step 5: Solve for x
x = 321,169,310,356.09/580,117.92 - Step 6: Final answer
x = 553,627.63
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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.