Finding the Fourth Proportional to 709,464.70, 1,064,715.45 and 499,512.70
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Solution
The fourth proportional to 709,464.70, 1,064,715.45 and 499,512.70 is: 749,634.04
Step by Step Solution
- Step 1: Write the proportion equation
709,464.70 : 1,064,715.45 = 499,512.70 : x - Step 2: Convert to fraction form
709,464.70/1,064,715.45 = 499,512.70/x - Step 3: Cross multiply
709,464.70x = 1,064,715.45 × 499,512.70 - Step 4: Simplify right side
709,464.70x = 531,838,889,161.22 - Step 5: Solve for x
x = 531,838,889,161.22/709,464.70 - Step 6: Final answer
x = 749,634.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.