Finding the Fourth Proportional to 976,587.12, 1,463,409.57 and 870,161.67
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Solution
The fourth proportional to 976,587.12, 1,463,409.57 and 870,161.67 is: 1,303,931.71
Step by Step Solution
- Step 1: Write the proportion equation
976,587.12 : 1,463,409.57 = 870,161.67 : x - Step 2: Convert to fraction form
976,587.12/1,463,409.57 = 870,161.67/x - Step 3: Cross multiply
976,587.12x = 1,463,409.57 × 870,161.67 - Step 4: Simplify right side
976,587.12x = 1,273,402,915,325.18 - Step 5: Solve for x
x = 1,273,402,915,325.18/976,587.12 - Step 6: Final answer
x = 1,303,931.71
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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.