Finding the Fourth Proportional to 649,365.79, 896,122.19 and 362,885.80
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Solution
The fourth proportional to 649,365.79, 896,122.19 and 362,885.80 is: 500,780.95
Step by Step Solution
- Step 1: Write the proportion equation
649,365.79 : 896,122.19 = 362,885.80 : x - Step 2: Convert to fraction form
649,365.79/896,122.19 = 362,885.80/x - Step 3: Cross multiply
649,365.79x = 896,122.19 × 362,885.80 - Step 4: Simplify right side
649,365.79x = 325,190,016,001.47 - Step 5: Solve for x
x = 325,190,016,001.47/649,365.79 - Step 6: Final answer
x = 500,780.95
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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.