Finding the Fourth Proportional to 572,876.16, 859,839.36 and 306,936.96
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Solution
The fourth proportional to 572,876.16, 859,839.36 and 306,936.96 is: 460,686.79
Step by Step Solution
- Step 1: Write the proportion equation
572,876.16 : 859,839.36 = 306,936.96 : x - Step 2: Convert to fraction form
572,876.16/859,839.36 = 306,936.96/x - Step 3: Cross multiply
572,876.16x = 859,839.36 × 306,936.96 - Step 4: Simplify right side
572,876.16x = 263,916,479,246.75 - Step 5: Solve for x
x = 263,916,479,246.75/572,876.16 - Step 6: Final answer
x = 460,686.79
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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.