Finding the Fourth Proportional to 462,979.25, 697,938.99 and 432,116.92
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Solution
The fourth proportional to 462,979.25, 697,938.99 and 432,116.92 is: 651,414.17
Step by Step Solution
- Step 1: Write the proportion equation
462,979.25 : 697,938.99 = 432,116.92 : x - Step 2: Convert to fraction form
462,979.25/697,938.99 = 432,116.92/x - Step 3: Cross multiply
462,979.25x = 697,938.99 × 432,116.92 - Step 4: Simplify right side
462,979.25x = 301,591,242,136.72 - Step 5: Solve for x
x = 301,591,242,136.72/462,979.25 - Step 6: Final answer
x = 651,414.17
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.