Finding the Fourth Proportional to 696,586.45, 961,394.37 and 424,811.99
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Solution
The fourth proportional to 696,586.45, 961,394.37 and 424,811.99 is: 586,304.62
Step by Step Solution
- Step 1: Write the proportion equation
696,586.45 : 961,394.37 = 424,811.99 : x - Step 2: Convert to fraction form
696,586.45/961,394.37 = 424,811.99/x - Step 3: Cross multiply
696,586.45x = 961,394.37 × 424,811.99 - Step 4: Simplify right side
696,586.45x = 408,411,855,494.50 - Step 5: Solve for x
x = 408,411,855,494.50/696,586.45 - Step 6: Final answer
x = 586,304.62
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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.