Finding the Fourth Proportional to 947,404.84, 1,418,560.68 and 721,690
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Solution
The fourth proportional to 947,404.84, 1,418,560.68 and 721,690 is: 1,080,595.13
Step by Step Solution
- Step 1: Write the proportion equation
947,404.84 : 1,418,560.68 = 721,690 : x - Step 2: Convert to fraction form
947,404.84/1,418,560.68 = 721,690/x - Step 3: Cross multiply
947,404.84x = 1,418,560.68 × 721,690 - Step 4: Simplify right side
947,404.84x = 1,023,761,057,149.20 - Step 5: Solve for x
x = 1,023,761,057,149.20/947,404.84 - Step 6: Final answer
x = 1,080,595.13
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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.