Finding the Fourth Proportional to 863,508.64, 1,295,549.70 and 383,669.68
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Solution
The fourth proportional to 863,508.64, 1,295,549.70 and 383,669.68 is: 575,631.92
Step by Step Solution
- Step 1: Write the proportion equation
863,508.64 : 1,295,549.70 = 383,669.68 : x - Step 2: Convert to fraction form
863,508.64/1,295,549.70 = 383,669.68/x - Step 3: Cross multiply
863,508.64x = 1,295,549.70 × 383,669.68 - Step 4: Simplify right side
863,508.64x = 497,063,138,823.10 - Step 5: Solve for x
x = 497,063,138,823.10/863,508.64 - Step 6: Final answer
x = 575,631.92
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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.