Finding the Fourth Proportional to 998,056.60, 1,497,279.30 and 288,107.80
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Solution
The fourth proportional to 998,056.60, 1,497,279.30 and 288,107.80 is: 432,217.82
Step by Step Solution
- Step 1: Write the proportion equation
998,056.60 : 1,497,279.30 = 288,107.80 : x - Step 2: Convert to fraction form
998,056.60/1,497,279.30 = 288,107.80/x - Step 3: Cross multiply
998,056.60x = 1,497,279.30 × 288,107.80 - Step 4: Simplify right side
998,056.60x = 431,377,845,108.54 - Step 5: Solve for x
x = 431,377,845,108.54/998,056.60 - Step 6: Final answer
x = 432,217.82
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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.