Finding the Fourth Proportional to 497,331.30, 745,122.15 and 408,101.70
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Solution
The fourth proportional to 497,331.30, 745,122.15 and 408,101.70 is: 611,434.70
Step by Step Solution
- Step 1: Write the proportion equation
497,331.30 : 745,122.15 = 408,101.70 : x - Step 2: Convert to fraction form
497,331.30/745,122.15 = 408,101.70/x - Step 3: Cross multiply
497,331.30x = 745,122.15 × 408,101.70 - Step 4: Simplify right side
497,331.30x = 304,085,616,122.66 - Step 5: Solve for x
x = 304,085,616,122.66/497,331.30 - Step 6: Final answer
x = 611,434.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.