Finding the Fourth Proportional to 598,875.52, 826,587.20 and 394,963.28
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Solution
The fourth proportional to 598,875.52, 826,587.20 and 394,963.28 is: 545,140.99
Step by Step Solution
- Step 1: Write the proportion equation
598,875.52 : 826,587.20 = 394,963.28 : x - Step 2: Convert to fraction form
598,875.52/826,587.20 = 394,963.28/x - Step 3: Cross multiply
598,875.52x = 826,587.20 × 394,963.28 - Step 4: Simplify right side
598,875.52x = 326,471,591,718.02 - Step 5: Solve for x
x = 326,471,591,718.02/598,875.52 - Step 6: Final answer
x = 545,140.99
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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.