Finding the Fourth Proportional to 615,831.62, 849,552.74 and 386,273.96
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Solution
The fourth proportional to 615,831.62, 849,552.74 and 386,273.96 is: 532,873.09
Step by Step Solution
- Step 1: Write the proportion equation
615,831.62 : 849,552.74 = 386,273.96 : x - Step 2: Convert to fraction form
615,831.62/849,552.74 = 386,273.96/x - Step 3: Cross multiply
615,831.62x = 849,552.74 × 386,273.96 - Step 4: Simplify right side
615,831.62x = 328,160,101,108.65 - Step 5: Solve for x
x = 328,160,101,108.65/615,831.62 - Step 6: Final answer
x = 532,873.09
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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.