Finding the Fourth Proportional to 709,135.35, 1,063,899.87 and 393,813.69
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Solution
The fourth proportional to 709,135.35, 1,063,899.87 and 393,813.69 is: 590,829.85
Step by Step Solution
- Step 1: Write the proportion equation
709,135.35 : 1,063,899.87 = 393,813.69 : x - Step 2: Convert to fraction form
709,135.35/1,063,899.87 = 393,813.69/x - Step 3: Cross multiply
709,135.35x = 1,063,899.87 × 393,813.69 - Step 4: Simplify right side
709,135.35x = 418,978,333,595.22 - Step 5: Solve for x
x = 418,978,333,595.22/709,135.35 - Step 6: Final answer
x = 590,829.85
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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.