Finding the Fourth Proportional to 918,599.58, 1,377,952.99 and 278,924.18
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Solution
The fourth proportional to 918,599.58, 1,377,952.99 and 278,924.18 is: 418,402.54
Step by Step Solution
- Step 1: Write the proportion equation
918,599.58 : 1,377,952.99 = 278,924.18 : x - Step 2: Convert to fraction form
918,599.58/1,377,952.99 = 278,924.18/x - Step 3: Cross multiply
918,599.58x = 1,377,952.99 × 278,924.18 - Step 4: Simplify right side
918,599.58x = 384,344,400,227.22 - Step 5: Solve for x
x = 384,344,400,227.22/918,599.58 - Step 6: Final answer
x = 418,402.54
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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.