Finding the Fourth Proportional to 561,402.63, 774,515.93 and 346,169.03
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Solution
The fourth proportional to 561,402.63, 774,515.93 and 346,169.03 is: 477,577.78
Step by Step Solution
- Step 1: Write the proportion equation
561,402.63 : 774,515.93 = 346,169.03 : x - Step 2: Convert to fraction form
561,402.63/774,515.93 = 346,169.03/x - Step 3: Cross multiply
561,402.63x = 774,515.93 × 346,169.03 - Step 4: Simplify right side
561,402.63x = 268,113,422,604.22 - Step 5: Solve for x
x = 268,113,422,604.22/561,402.63 - Step 6: Final answer
x = 477,577.78
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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.