Finding the Fourth Proportional to 800,243.21, 1,104,320.12 and 437,665.95
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Solution
The fourth proportional to 800,243.21, 1,104,320.12 and 437,665.95 is: 603,970.52
Step by Step Solution
- Step 1: Write the proportion equation
800,243.21 : 1,104,320.12 = 437,665.95 : x - Step 2: Convert to fraction form
800,243.21/1,104,320.12 = 437,665.95/x - Step 3: Cross multiply
800,243.21x = 1,104,320.12 × 437,665.95 - Step 4: Simplify right side
800,243.21x = 483,323,312,235.58 - Step 5: Solve for x
x = 483,323,312,235.58/800,243.21 - Step 6: Final answer
x = 603,970.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.