Finding the Fourth Proportional to 539,648.16, 745,377.12 and 404,287.68
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Solution
The fourth proportional to 539,648.16, 745,377.12 and 404,287.68 is: 558,413.44
Step by Step Solution
- Step 1: Write the proportion equation
539,648.16 : 745,377.12 = 404,287.68 : x - Step 2: Convert to fraction form
539,648.16/745,377.12 = 404,287.68/x - Step 3: Cross multiply
539,648.16x = 745,377.12 × 404,287.68 - Step 4: Simplify right side
539,648.16x = 301,346,786,569.88 - Step 5: Solve for x
x = 301,346,786,569.88/539,648.16 - Step 6: Final answer
x = 558,413.44
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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.