Finding the Fourth Proportional to 626,377.55, 864,403.29 and 339,897.62
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Solution
The fourth proportional to 626,377.55, 864,403.29 and 339,897.62 is: 469,059.94
Step by Step Solution
- Step 1: Write the proportion equation
626,377.55 : 864,403.29 = 339,897.62 : x - Step 2: Convert to fraction form
626,377.55/864,403.29 = 339,897.62/x - Step 3: Cross multiply
626,377.55x = 864,403.29 × 339,897.62 - Step 4: Simplify right side
626,377.55x = 293,808,616,669.15 - Step 5: Solve for x
x = 293,808,616,669.15/626,377.55 - Step 6: Final answer
x = 469,059.94
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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.