Finding the Fourth Proportional to 851,679.36, 1,175,303.52 and 469,741.68
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Solution
The fourth proportional to 851,679.36, 1,175,303.52 and 469,741.68 is: 648,235.80
Step by Step Solution
- Step 1: Write the proportion equation
851,679.36 : 1,175,303.52 = 469,741.68 : x - Step 2: Convert to fraction form
851,679.36/1,175,303.52 = 469,741.68/x - Step 3: Cross multiply
851,679.36x = 1,175,303.52 × 469,741.68 - Step 4: Simplify right side
851,679.36x = 552,089,049,994.71 - Step 5: Solve for x
x = 552,089,049,994.71/851,679.36 - Step 6: Final answer
x = 648,235.80
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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.