Finding the Fourth Proportional to 725,091.69, 1,000,625.79 and 402,831.99
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Solution
The fourth proportional to 725,091.69, 1,000,625.79 and 402,831.99 is: 555,907.73
Step by Step Solution
- Step 1: Write the proportion equation
725,091.69 : 1,000,625.79 = 402,831.99 : x - Step 2: Convert to fraction form
725,091.69/1,000,625.79 = 402,831.99/x - Step 3: Cross multiply
725,091.69x = 1,000,625.79 × 402,831.99 - Step 4: Simplify right side
725,091.69x = 403,084,078,231.02 - Step 5: Solve for x
x = 403,084,078,231.02/725,091.69 - Step 6: Final answer
x = 555,907.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.