Finding the Fourth Proportional to 753,700.20, 1,128,800.70 and 736,204.20
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Solution
The fourth proportional to 753,700.20, 1,128,800.70 and 736,204.20 is: 1,102,597.31
Step by Step Solution
- Step 1: Write the proportion equation
753,700.20 : 1,128,800.70 = 736,204.20 : x - Step 2: Convert to fraction form
753,700.20/1,128,800.70 = 736,204.20/x - Step 3: Cross multiply
753,700.20x = 1,128,800.70 × 736,204.20 - Step 4: Simplify right side
753,700.20x = 831,027,816,302.94 - Step 5: Solve for x
x = 831,027,816,302.94/753,700.20 - Step 6: Final answer
x = 1,102,597.31
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1.5x scale
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.