Finding the Fourth Proportional to 897,361.02, 1,238,372.94 and 489,462.84
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Solution
The fourth proportional to 897,361.02, 1,238,372.94 and 489,462.84 is: 675,466.75
Step by Step Solution
- Step 1: Write the proportion equation
897,361.02 : 1,238,372.94 = 489,462.84 : x - Step 2: Convert to fraction form
897,361.02/1,238,372.94 = 489,462.84/x - Step 3: Cross multiply
897,361.02x = 1,238,372.94 × 489,462.84 - Step 4: Simplify right side
897,361.02x = 606,137,536,191.55 - Step 5: Solve for x
x = 606,137,536,191.55/897,361.02 - Step 6: Final answer
x = 675,466.75
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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.