Finding the Fourth Proportional to 719,320.84, 992,591.98 and 397,010.12
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Solution
The fourth proportional to 719,320.84, 992,591.98 and 397,010.12 is: 547,834.90
Step by Step Solution
- Step 1: Write the proportion equation
719,320.84 : 992,591.98 = 397,010.12 : x - Step 2: Convert to fraction form
719,320.84/992,591.98 = 397,010.12/x - Step 3: Cross multiply
719,320.84x = 992,591.98 × 397,010.12 - Step 4: Simplify right side
719,320.84x = 394,069,061,090.84 - Step 5: Solve for x
x = 394,069,061,090.84/719,320.84 - Step 6: Final answer
x = 547,834.90
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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.