Finding the Fourth Proportional to 896,972.22, 1,237,831.29 and 489,070.62
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Solution
The fourth proportional to 896,972.22, 1,237,831.29 and 489,070.62 is: 674,922.70
Step by Step Solution
- Step 1: Write the proportion equation
896,972.22 : 1,237,831.29 = 489,070.62 : x - Step 2: Convert to fraction form
896,972.22/1,237,831.29 = 489,070.62/x - Step 3: Cross multiply
896,972.22x = 1,237,831.29 × 489,070.62 - Step 4: Simplify right side
896,972.22x = 605,386,916,455.70 - Step 5: Solve for x
x = 605,386,916,455.70/896,972.22 - Step 6: Final answer
x = 674,922.70
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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.