Finding the Fourth Proportional to 632,657.81, 873,078.73 and 346,182.68
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Solution
The fourth proportional to 632,657.81, 873,078.73 and 346,182.68 is: 477,738.09
Step by Step Solution
- Step 1: Write the proportion equation
632,657.81 : 873,078.73 = 346,182.68 : x - Step 2: Convert to fraction form
632,657.81/873,078.73 = 346,182.68/x - Step 3: Cross multiply
632,657.81x = 873,078.73 × 346,182.68 - Step 4: Simplify right side
632,657.81x = 302,244,735,919.64 - Step 5: Solve for x
x = 302,244,735,919.64/632,657.81 - Step 6: Final answer
x = 477,738.09
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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.