Finding the Fourth Proportional to 688,289.81, 950,185.28 and 430,310.07
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Solution
The fourth proportional to 688,289.81, 950,185.28 and 430,310.07 is: 594,043.81
Step by Step Solution
- Step 1: Write the proportion equation
688,289.81 : 950,185.28 = 430,310.07 : x - Step 2: Convert to fraction form
688,289.81/950,185.28 = 430,310.07/x - Step 3: Cross multiply
688,289.81x = 950,185.28 × 430,310.07 - Step 4: Simplify right side
688,289.81x = 408,874,295,425.55 - Step 5: Solve for x
x = 408,874,295,425.55/688,289.81 - Step 6: Final answer
x = 594,043.81
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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.