Finding the Fourth Proportional to 649,433.61, 896,219.67 and 362,953.68
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Solution
The fourth proportional to 649,433.61, 896,219.67 and 362,953.68 is: 500,876.80
Step by Step Solution
- Step 1: Write the proportion equation
649,433.61 : 896,219.67 = 362,953.68 : x - Step 2: Convert to fraction form
649,433.61/896,219.67 = 362,953.68/x - Step 3: Cross multiply
649,433.61x = 896,219.67 × 362,953.68 - Step 4: Simplify right side
649,433.61x = 325,286,227,314.89 - Step 5: Solve for x
x = 325,286,227,314.89/649,433.61 - Step 6: Final answer
x = 500,876.80
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1.5x scale
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.