Finding the Fourth Proportional to 808,573.77, 1,115,812.26 and 445,989.84
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Solution
The fourth proportional to 808,573.77, 1,115,812.26 and 445,989.84 is: 615,455.20
Step by Step Solution
- Step 1: Write the proportion equation
808,573.77 : 1,115,812.26 = 445,989.84 : x - Step 2: Convert to fraction form
808,573.77/1,115,812.26 = 445,989.84/x - Step 3: Cross multiply
808,573.77x = 1,115,812.26 × 445,989.84 - Step 4: Simplify right side
808,573.77x = 497,640,931,307.44 - Step 5: Solve for x
x = 497,640,931,307.44/808,573.77 - Step 6: Final answer
x = 615,455.20
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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.