Finding the Fourth Proportional to 576,476.98, 865,240.21 and 306,831.49
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Solution
The fourth proportional to 576,476.98, 865,240.21 and 306,831.49 is: 460,526.53
Step by Step Solution
- Step 1: Write the proportion equation
576,476.98 : 865,240.21 = 306,831.49 : x - Step 2: Convert to fraction form
576,476.98/865,240.21 = 306,831.49/x - Step 3: Cross multiply
576,476.98x = 865,240.21 × 306,831.49 - Step 4: Simplify right side
576,476.98x = 265,482,945,929.63 - Step 5: Solve for x
x = 265,482,945,929.63/576,476.98 - Step 6: Final answer
x = 460,526.53
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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.