Finding the Fourth Proportional to 696,588.45, 961,397.13 and 424,813.99
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Solution
The fourth proportional to 696,588.45, 961,397.13 and 424,813.99 is: 586,307.38
Step by Step Solution
- Step 1: Write the proportion equation
696,588.45 : 961,397.13 = 424,813.99 : x - Step 2: Convert to fraction form
696,588.45/961,397.13 = 424,813.99/x - Step 3: Cross multiply
696,588.45x = 961,397.13 × 424,813.99 - Step 4: Simplify right side
696,588.45x = 408,414,950,769.85 - Step 5: Solve for x
x = 408,414,950,769.85/696,588.45 - Step 6: Final answer
x = 586,307.38
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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.