Finding the Fourth Proportional to 712,771.68, 1,069,007.02 and 424,711
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Solution
The fourth proportional to 712,771.68, 1,069,007.02 and 424,711 is: 636,976.82
Step by Step Solution
- Step 1: Write the proportion equation
712,771.68 : 1,069,007.02 = 424,711 : x - Step 2: Convert to fraction form
712,771.68/1,069,007.02 = 424,711/x - Step 3: Cross multiply
712,771.68x = 1,069,007.02 × 424,711 - Step 4: Simplify right side
712,771.68x = 454,019,040,471.22 - Step 5: Solve for x
x = 454,019,040,471.22/712,771.68 - Step 6: Final answer
x = 636,976.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.