Finding the Fourth Proportional to 858,363.70, 1,287,718.35 and 297,282.10
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Solution
The fourth proportional to 858,363.70, 1,287,718.35 and 297,282.10 is: 445,983.00
Step by Step Solution
- Step 1: Write the proportion equation
858,363.70 : 1,287,718.35 = 297,282.10 : x - Step 2: Convert to fraction form
858,363.70/1,287,718.35 = 297,282.10/x - Step 3: Cross multiply
858,363.70x = 1,287,718.35 × 297,282.10 - Step 4: Simplify right side
858,363.70x = 382,815,615,296.54 - Step 5: Solve for x
x = 382,815,615,296.54/858,363.70 - Step 6: Final answer
x = 445,983.00
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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.