Finding the Fourth Proportional to 935,336.77, 1,289,903.93 and 612,929.77
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Solution
The fourth proportional to 935,336.77, 1,289,903.93 and 612,929.77 is: 845,278.99
Step by Step Solution
- Step 1: Write the proportion equation
935,336.77 : 1,289,903.93 = 612,929.77 : x - Step 2: Convert to fraction form
935,336.77/1,289,903.93 = 612,929.77/x - Step 3: Cross multiply
935,336.77x = 1,289,903.93 × 612,929.77 - Step 4: Simplify right side
935,336.77x = 790,620,512,687.48 - Step 5: Solve for x
x = 790,620,512,687.48/935,336.77 - Step 6: Final answer
x = 845,278.99
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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.