Finding the Fourth Proportional to 926,390.01, 1,387,786.95 and 682,788.18
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Solution
The fourth proportional to 926,390.01, 1,387,786.95 and 682,788.18 is: 1,022,857.02
Step by Step Solution
- Step 1: Write the proportion equation
926,390.01 : 1,387,786.95 = 682,788.18 : x - Step 2: Convert to fraction form
926,390.01/1,387,786.95 = 682,788.18/x - Step 3: Cross multiply
926,390.01x = 1,387,786.95 × 682,788.18 - Step 4: Simplify right side
926,390.01x = 947,564,525,818.25 - Step 5: Solve for x
x = 947,564,525,818.25/926,390.01 - Step 6: Final answer
x = 1,022,857.02
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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.