Finding the Fourth Proportional to 651,242.16, 898,723.16 and 424,757.68
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Solution
The fourth proportional to 651,242.16, 898,723.16 and 424,757.68 is: 586,171.45
Step by Step Solution
- Step 1: Write the proportion equation
651,242.16 : 898,723.16 = 424,757.68 : x - Step 2: Convert to fraction form
651,242.16/898,723.16 = 424,757.68/x - Step 3: Cross multiply
651,242.16x = 898,723.16 × 424,757.68 - Step 4: Simplify right side
651,242.16x = 381,739,564,403.87 - Step 5: Solve for x
x = 381,739,564,403.87/651,242.16 - Step 6: Final answer
x = 586,171.45
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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.