Finding the Fourth Proportional to 722,207.34, 996,633.99 and 399,910.52
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Solution
The fourth proportional to 722,207.34, 996,633.99 and 399,910.52 is: 551,869.80
Step by Step Solution
- Step 1: Write the proportion equation
722,207.34 : 996,633.99 = 399,910.52 : x - Step 2: Convert to fraction form
722,207.34/996,633.99 = 399,910.52/x - Step 3: Cross multiply
722,207.34x = 996,633.99 × 399,910.52 - Step 4: Simplify right side
722,207.34x = 398,564,417,190.58 - Step 5: Solve for x
x = 398,564,417,190.58/722,207.34 - Step 6: Final answer
x = 551,869.80
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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.