Finding the Fourth Proportional to 879,422.43, 1,319,361.07 and 514,991.80
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Solution
The fourth proportional to 879,422.43, 1,319,361.07 and 514,991.80 is: 772,620.88
Step by Step Solution
- Step 1: Write the proportion equation
879,422.43 : 1,319,361.07 = 514,991.80 : x - Step 2: Convert to fraction form
879,422.43/1,319,361.07 = 514,991.80/x - Step 3: Cross multiply
879,422.43x = 1,319,361.07 × 514,991.80 - Step 4: Simplify right side
879,422.43x = 679,460,132,289.23 - Step 5: Solve for x
x = 679,460,132,289.23/879,422.43 - Step 6: Final answer
x = 772,620.88
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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.