Finding the Fourth Proportional to 570,787.05, 788,215.62 and 427,297.98
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Solution
The fourth proportional to 570,787.05, 788,215.62 and 427,297.98 is: 590,067.60
Step by Step Solution
- Step 1: Write the proportion equation
570,787.05 : 788,215.62 = 427,297.98 : x - Step 2: Convert to fraction form
570,787.05/788,215.62 = 427,297.98/x - Step 3: Cross multiply
570,787.05x = 788,215.62 × 427,297.98 - Step 4: Simplify right side
570,787.05x = 336,802,946,788.62 - Step 5: Solve for x
x = 336,802,946,788.62/570,787.05 - Step 6: Final answer
x = 590,067.60
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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.