Finding the Fourth Proportional to 959,139.84, 1,323,605.68 and 529,419.92
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Solution
The fourth proportional to 959,139.84, 1,323,605.68 and 529,419.92 is: 730,595.46
Step by Step Solution
- Step 1: Write the proportion equation
959,139.84 : 1,323,605.68 = 529,419.92 : x - Step 2: Convert to fraction form
959,139.84/1,323,605.68 = 529,419.92/x - Step 3: Cross multiply
959,139.84x = 1,323,605.68 × 529,419.92 - Step 4: Simplify right side
959,139.84x = 700,743,213,217.15 - Step 5: Solve for x
x = 700,743,213,217.15/959,139.84 - Step 6: Final answer
x = 730,595.46
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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.