Finding the Fourth Proportional to 559,883.32, 772,738.23 and 330,424.09
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Solution
The fourth proportional to 559,883.32, 772,738.23 and 330,424.09 is: 456,043.82
Step by Step Solution
- Step 1: Write the proportion equation
559,883.32 : 772,738.23 = 330,424.09 : x - Step 2: Convert to fraction form
559,883.32/772,738.23 = 330,424.09/x - Step 3: Cross multiply
559,883.32x = 772,738.23 × 330,424.09 - Step 4: Simplify right side
559,883.32x = 255,331,326,455.96 - Step 5: Solve for x
x = 255,331,326,455.96/559,883.32 - Step 6: Final answer
x = 456,043.82
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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.