Finding the Fourth Proportional to 714,946.18, 1,072,181.12 and 288,371.84
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Solution
The fourth proportional to 714,946.18, 1,072,181.12 and 288,371.84 is: 432,461.70
Step by Step Solution
- Step 1: Write the proportion equation
714,946.18 : 1,072,181.12 = 288,371.84 : x - Step 2: Convert to fraction form
714,946.18/1,072,181.12 = 288,371.84/x - Step 3: Cross multiply
714,946.18x = 1,072,181.12 × 288,371.84 - Step 4: Simplify right side
714,946.18x = 309,186,842,387.66 - Step 5: Solve for x
x = 309,186,842,387.66/714,946.18 - Step 6: Final answer
x = 432,461.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.