Finding the Fourth Proportional to 964,208.79, 1,330,597.66 and 556,305.75
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Solution
The fourth proportional to 964,208.79, 1,330,597.66 and 556,305.75 is: 767,695.89
Step by Step Solution
- Step 1: Write the proportion equation
964,208.79 : 1,330,597.66 = 556,305.75 : x - Step 2: Convert to fraction form
964,208.79/1,330,597.66 = 556,305.75/x - Step 3: Cross multiply
964,208.79x = 1,330,597.66 × 556,305.75 - Step 4: Simplify right side
964,208.79x = 740,219,129,194.55 - Step 5: Solve for x
x = 740,219,129,194.55/964,208.79 - Step 6: Final answer
x = 767,695.89
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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.