Finding the Fourth Proportional to 947,740.43, 1,421,859.99 and 340,590.08
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Solution
The fourth proportional to 947,740.43, 1,421,859.99 and 340,590.08 is: 510,974.73
Step by Step Solution
- Step 1: Write the proportion equation
947,740.43 : 1,421,859.99 = 340,590.08 : x - Step 2: Convert to fraction form
947,740.43/1,421,859.99 = 340,590.08/x - Step 3: Cross multiply
947,740.43x = 1,421,859.99 × 340,590.08 - Step 4: Simplify right side
947,740.43x = 484,271,407,742.90 - Step 5: Solve for x
x = 484,271,407,742.90/947,740.43 - Step 6: Final answer
x = 510,974.73
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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.