Finding the Fourth Proportional to 935,346.08, 1,289,916.78 and 612,939.08
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Solution
The fourth proportional to 935,346.08, 1,289,916.78 and 612,939.08 is: 845,291.84
Step by Step Solution
- Step 1: Write the proportion equation
935,346.08 : 1,289,916.78 = 612,939.08 : x - Step 2: Convert to fraction form
935,346.08/1,289,916.78 = 612,939.08/x - Step 3: Cross multiply
935,346.08x = 1,289,916.78 × 612,939.08 - Step 4: Simplify right side
935,346.08x = 790,640,404,409.76 - Step 5: Solve for x
x = 790,640,404,409.76/935,346.08 - Step 6: Final answer
x = 845,291.84
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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.