Finding the Fourth Proportional to 561,341.07, 774,649.29 and 306,694.08
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Solution
The fourth proportional to 561,341.07, 774,649.29 and 306,694.08 is: 423,237.07
Step by Step Solution
- Step 1: Write the proportion equation
561,341.07 : 774,649.29 = 306,694.08 : x - Step 2: Convert to fraction form
561,341.07/774,649.29 = 306,694.08/x - Step 3: Cross multiply
561,341.07x = 774,649.29 × 306,694.08 - Step 4: Simplify right side
561,341.07x = 237,580,351,319.20 - Step 5: Solve for x
x = 237,580,351,319.20/561,341.07 - Step 6: Final answer
x = 423,237.07
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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.