Finding the Fourth Proportional to 926,936.52, 1,389,281.99 and 393,336.60
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Solution
The fourth proportional to 926,936.52, 1,389,281.99 and 393,336.60 is: 589,528.45
Step by Step Solution
- Step 1: Write the proportion equation
926,936.52 : 1,389,281.99 = 393,336.60 : x - Step 2: Convert to fraction form
926,936.52/1,389,281.99 = 393,336.60/x - Step 3: Cross multiply
926,936.52x = 1,389,281.99 × 393,336.60 - Step 4: Simplify right side
926,936.52x = 546,455,452,421.15 - Step 5: Solve for x
x = 546,455,452,421.15/926,936.52 - Step 6: Final answer
x = 589,528.45
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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.