Finding the Fourth Proportional to 684,283.46, 944,294.45 and 378,352.08
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Solution
The fourth proportional to 684,283.46, 944,294.45 and 378,352.08 is: 522,116.62
Step by Step Solution
- Step 1: Write the proportion equation
684,283.46 : 944,294.45 = 378,352.08 : x - Step 2: Convert to fraction form
684,283.46/944,294.45 = 378,352.08/x - Step 3: Cross multiply
684,283.46x = 944,294.45 × 378,352.08 - Step 4: Simplify right side
684,283.46x = 357,275,767,398.20 - Step 5: Solve for x
x = 357,275,767,398.20/684,283.46 - Step 6: Final answer
x = 522,116.62
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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.