Finding the Fourth Proportional to 684,278.84, 944,266.70 and 378,337.48
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Solution
The fourth proportional to 684,278.84, 944,266.70 and 378,337.48 is: 522,084.66
Step by Step Solution
- Step 1: Write the proportion equation
684,278.84 : 944,266.70 = 378,337.48 : x - Step 2: Convert to fraction form
684,278.84/944,266.70 = 378,337.48/x - Step 3: Cross multiply
684,278.84x = 944,266.70 × 378,337.48 - Step 4: Simplify right side
684,278.84x = 357,251,483,725.92 - Step 5: Solve for x
x = 357,251,483,725.92/684,278.84 - Step 6: Final answer
x = 522,084.66
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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.