Finding the Fourth Proportional to 664,831.08, 917,470.26 and 363,025.08
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Solution
The fourth proportional to 664,831.08, 917,470.26 and 363,025.08 is: 500,976.45
Step by Step Solution
- Step 1: Write the proportion equation
664,831.08 : 917,470.26 = 363,025.08 : x - Step 2: Convert to fraction form
664,831.08/917,470.26 = 363,025.08/x - Step 3: Cross multiply
664,831.08x = 917,470.26 × 363,025.08 - Step 4: Simplify right side
664,831.08x = 333,064,714,534.12 - Step 5: Solve for x
x = 333,064,714,534.12/664,831.08 - Step 6: Final answer
x = 500,976.45
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1.5x scale
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.