Finding the Fourth Proportional to 649,913.79, 896,892.84 and 363,427.74
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Solution
The fourth proportional to 649,913.79, 896,892.84 and 363,427.74 is: 501,536.89
Step by Step Solution
- Step 1: Write the proportion equation
649,913.79 : 896,892.84 = 363,427.74 : x - Step 2: Convert to fraction form
649,913.79/896,892.84 = 363,427.74/x - Step 3: Cross multiply
649,913.79x = 896,892.84 × 363,427.74 - Step 4: Simplify right side
649,913.79x = 325,955,737,863.38 - Step 5: Solve for x
x = 325,955,737,863.38/649,913.79 - Step 6: Final answer
x = 501,536.89
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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.