Finding the Fourth Proportional to 712,695.08, 1,068,291.68 and 263,128.07
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Solution
The fourth proportional to 712,695.08, 1,068,291.68 and 263,128.07 is: 394,414.85
Step by Step Solution
- Step 1: Write the proportion equation
712,695.08 : 1,068,291.68 = 263,128.07 : x - Step 2: Convert to fraction form
712,695.08/1,068,291.68 = 263,128.07/x - Step 3: Cross multiply
712,695.08x = 1,068,291.68 × 263,128.07 - Step 4: Simplify right side
712,695.08x = 281,097,521,298.36 - Step 5: Solve for x
x = 281,097,521,298.36/712,695.08 - Step 6: Final answer
x = 394,414.85
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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.