Finding the Fourth Proportional to 709,898.36, 980,696.09 and 614,238.98
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Solution
The fourth proportional to 709,898.36, 980,696.09 and 614,238.98 is: 848,546.50
Step by Step Solution
- Step 1: Write the proportion equation
709,898.36 : 980,696.09 = 614,238.98 : x - Step 2: Convert to fraction form
709,898.36/980,696.09 = 614,238.98/x - Step 3: Cross multiply
709,898.36x = 980,696.09 × 614,238.98 - Step 4: Simplify right side
709,898.36x = 602,381,762,643.71 - Step 5: Solve for x
x = 602,381,762,643.71/709,898.36 - Step 6: Final answer
x = 848,546.50
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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.