Finding the Fourth Proportional to 689,762.28, 1,034,341.80 and 347,995.44
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Solution
The fourth proportional to 689,762.28, 1,034,341.80 and 347,995.44 is: 521,840.99
Step by Step Solution
- Step 1: Write the proportion equation
689,762.28 : 1,034,341.80 = 347,995.44 : x - Step 2: Convert to fraction form
689,762.28/1,034,341.80 = 347,995.44/x - Step 3: Cross multiply
689,762.28x = 1,034,341.80 × 347,995.44 - Step 4: Simplify right side
689,762.28x = 359,946,229,801.39 - Step 5: Solve for x
x = 359,946,229,801.39/689,762.28 - Step 6: Final answer
x = 521,840.99
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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.