Finding the Fourth Proportional to 618,235.74, 853,268.18 and 424,484.96
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Solution
The fourth proportional to 618,235.74, 853,268.18 and 424,484.96 is: 585,859.86
Step by Step Solution
- Step 1: Write the proportion equation
618,235.74 : 853,268.18 = 424,484.96 : x - Step 2: Convert to fraction form
618,235.74/853,268.18 = 424,484.96/x - Step 3: Cross multiply
618,235.74x = 853,268.18 × 424,484.96 - Step 4: Simplify right side
618,235.74x = 362,199,502,867.81 - Step 5: Solve for x
x = 362,199,502,867.81/618,235.74 - Step 6: Final answer
x = 585,859.86
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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.