Finding the Fourth Proportional to 956,107.79, 1,319,130.80 and 542,576.03
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Solution
The fourth proportional to 956,107.79, 1,319,130.80 and 542,576.03 is: 748,585.84
Step by Step Solution
- Step 1: Write the proportion equation
956,107.79 : 1,319,130.80 = 542,576.03 : x - Step 2: Convert to fraction form
956,107.79/1,319,130.80 = 542,576.03/x - Step 3: Cross multiply
956,107.79x = 1,319,130.80 × 542,576.03 - Step 4: Simplify right side
956,107.79x = 715,728,745,919.07 - Step 5: Solve for x
x = 715,728,745,919.07/956,107.79 - Step 6: Final answer
x = 748,585.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.