Finding the Fourth Proportional to 964,977.97, 1,331,829.31 and 535,396.49
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Solution
The fourth proportional to 964,977.97, 1,331,829.31 and 535,396.49 is: 738,935.77
Step by Step Solution
- Step 1: Write the proportion equation
964,977.97 : 1,331,829.31 = 535,396.49 : x - Step 2: Convert to fraction form
964,977.97/1,331,829.31 = 535,396.49/x - Step 3: Cross multiply
964,977.97x = 1,331,829.31 × 535,396.49 - Step 4: Simplify right side
964,977.97x = 713,056,739,844.20 - Step 5: Solve for x
x = 713,056,739,844.20/964,977.97 - Step 6: Final answer
x = 738,935.77
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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.