Finding the Fourth Proportional to 964,207.79, 1,330,596.28 and 556,304.75
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Solution
The fourth proportional to 964,207.79, 1,330,596.28 and 556,304.75 is: 767,694.51
Step by Step Solution
- Step 1: Write the proportion equation
964,207.79 : 1,330,596.28 = 556,304.75 : x - Step 2: Convert to fraction form
964,207.79/1,330,596.28 = 556,304.75/x - Step 3: Cross multiply
964,207.79x = 1,330,596.28 × 556,304.75 - Step 4: Simplify right side
964,207.79x = 740,217,030,896.33 - Step 5: Solve for x
x = 740,217,030,896.33/964,207.79 - Step 6: Final answer
x = 767,694.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.