Finding the Fourth Proportional to 825,216.84, 1,237,917.84 and 740,455.92
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Solution
The fourth proportional to 825,216.84, 1,237,917.84 and 740,455.92 is: 1,110,766.95
Step by Step Solution
- Step 1: Write the proportion equation
825,216.84 : 1,237,917.84 = 740,455.92 : x - Step 2: Convert to fraction form
825,216.84/1,237,917.84 = 740,455.92/x - Step 3: Cross multiply
825,216.84x = 1,237,917.84 × 740,455.92 - Step 4: Simplify right side
825,216.84x = 916,623,593,101.61 - Step 5: Solve for x
x = 916,623,593,101.61/825,216.84 - Step 6: Final answer
x = 1,110,766.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.