Finding the Fourth Proportional to 943,260.42, 1,301,497.56 and 561,212.58
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Solution
The fourth proportional to 943,260.42, 1,301,497.56 and 561,212.58 is: 774,353.28
Step by Step Solution
- Step 1: Write the proportion equation
943,260.42 : 1,301,497.56 = 561,212.58 : x - Step 2: Convert to fraction form
943,260.42/1,301,497.56 = 561,212.58/x - Step 3: Cross multiply
943,260.42x = 1,301,497.56 × 561,212.58 - Step 4: Simplify right side
943,260.42x = 730,416,803,511.31 - Step 5: Solve for x
x = 730,416,803,511.31/943,260.42 - Step 6: Final answer
x = 774,353.28
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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.