Finding the Fourth Proportional to 984,586.61, 1,358,724.43 and 571,206.99
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Solution
The fourth proportional to 984,586.61, 1,358,724.43 and 571,206.99 is: 788,262.69
Step by Step Solution
- Step 1: Write the proportion equation
984,586.61 : 1,358,724.43 = 571,206.99 : x - Step 2: Convert to fraction form
984,586.61/1,358,724.43 = 571,206.99/x - Step 3: Cross multiply
984,586.61x = 1,358,724.43 × 571,206.99 - Step 4: Simplify right side
984,586.61x = 776,112,890,471.75 - Step 5: Solve for x
x = 776,112,890,471.75/984,586.61 - Step 6: Final answer
x = 788,262.69
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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.