Finding the Fourth Proportional to 801,192.66, 1,106,395.32 and 515,209.62
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Solution
The fourth proportional to 801,192.66, 1,106,395.32 and 515,209.62 is: 711,471.21
Step by Step Solution
- Step 1: Write the proportion equation
801,192.66 : 1,106,395.32 = 515,209.62 : x - Step 2: Convert to fraction form
801,192.66/1,106,395.32 = 515,209.62/x - Step 3: Cross multiply
801,192.66x = 1,106,395.32 × 515,209.62 - Step 4: Simplify right side
801,192.66x = 570,025,512,386.98 - Step 5: Solve for x
x = 570,025,512,386.98/801,192.66 - Step 6: Final answer
x = 711,471.21
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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.