Finding the Fourth Proportional to 964,205.79, 1,330,593.52 and 556,302.75
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Solution
The fourth proportional to 964,205.79, 1,330,593.52 and 556,302.75 is: 767,691.75
Step by Step Solution
- Step 1: Write the proportion equation
964,205.79 : 1,330,593.52 = 556,302.75 : x - Step 2: Convert to fraction form
964,205.79/1,330,593.52 = 556,302.75/x - Step 3: Cross multiply
964,205.79x = 1,330,593.52 × 556,302.75 - Step 4: Simplify right side
964,205.79x = 740,212,834,308.18 - Step 5: Solve for x
x = 740,212,834,308.18/964,205.79 - Step 6: Final answer
x = 767,691.75
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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.