Finding the Fourth Proportional to 808,776.16, 1,213,319.70 and 310,101.28
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Solution
The fourth proportional to 808,776.16, 1,213,319.70 and 310,101.28 is: 465,211.53
Step by Step Solution
- Step 1: Write the proportion equation
808,776.16 : 1,213,319.70 = 310,101.28 : x - Step 2: Convert to fraction form
808,776.16/1,213,319.70 = 310,101.28/x - Step 3: Cross multiply
808,776.16x = 1,213,319.70 × 310,101.28 - Step 4: Simplify right side
808,776.16x = 376,251,992,019.22 - Step 5: Solve for x
x = 376,251,992,019.22/808,776.16 - Step 6: Final answer
x = 465,211.53
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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.