Finding the Fourth Proportional to 506,347.28, 698,757.36 and 285,567.04
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Solution
The fourth proportional to 506,347.28, 698,757.36 and 285,567.04 is: 394,081.45
Step by Step Solution
- Step 1: Write the proportion equation
506,347.28 : 698,757.36 = 285,567.04 : x - Step 2: Convert to fraction form
506,347.28/698,757.36 = 285,567.04/x - Step 3: Cross multiply
506,347.28x = 698,757.36 × 285,567.04 - Step 4: Simplify right side
506,347.28x = 199,542,070,973.41 - Step 5: Solve for x
x = 199,542,070,973.41/506,347.28 - Step 6: Final answer
x = 394,081.45
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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.