Finding the Fourth Proportional to 750,305.73, 1,035,447.18 and 410,781.09
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Solution
The fourth proportional to 750,305.73, 1,035,447.18 and 410,781.09 is: 566,891.74
Step by Step Solution
- Step 1: Write the proportion equation
750,305.73 : 1,035,447.18 = 410,781.09 : x - Step 2: Convert to fraction form
750,305.73/1,035,447.18 = 410,781.09/x - Step 3: Cross multiply
750,305.73x = 1,035,447.18 × 410,781.09 - Step 4: Simplify right side
750,305.73x = 425,342,121,237.83 - Step 5: Solve for x
x = 425,342,121,237.83/750,305.73 - Step 6: Final answer
x = 566,891.74
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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.