Finding the Fourth Proportional to 648,251.49, 894,646.58 and 357,914.94
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Solution
The fourth proportional to 648,251.49, 894,646.58 and 357,914.94 is: 493,955.48
Step by Step Solution
- Step 1: Write the proportion equation
648,251.49 : 894,646.58 = 357,914.94 : x - Step 2: Convert to fraction form
648,251.49/894,646.58 = 357,914.94/x - Step 3: Cross multiply
648,251.49x = 894,646.58 × 357,914.94 - Step 4: Simplify right side
648,251.49x = 320,207,377,001.91 - Step 5: Solve for x
x = 320,207,377,001.91/648,251.49 - Step 6: Final answer
x = 493,955.48
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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.