Finding the Fourth Proportional to 697,915.58, 1,042,145.68 and 554,147.66
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Solution
The fourth proportional to 697,915.58, 1,042,145.68 and 554,147.66 is: 827,467.68
Step by Step Solution
- Step 1: Write the proportion equation
697,915.58 : 1,042,145.68 = 554,147.66 : x - Step 2: Convert to fraction form
697,915.58/1,042,145.68 = 554,147.66/x - Step 3: Cross multiply
697,915.58x = 1,042,145.68 × 554,147.66 - Step 4: Simplify right side
697,915.58x = 577,502,583,355.01 - Step 5: Solve for x
x = 577,502,583,355.01/697,915.58 - Step 6: Final answer
x = 827,467.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.