Finding the Fourth Proportional to 766,211.81, 1,057,372.58 and 444,108.62
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Solution
The fourth proportional to 766,211.81, 1,057,372.58 and 444,108.62 is: 612,870.07
Step by Step Solution
- Step 1: Write the proportion equation
766,211.81 : 1,057,372.58 = 444,108.62 : x - Step 2: Convert to fraction form
766,211.81/1,057,372.58 = 444,108.62/x - Step 3: Cross multiply
766,211.81x = 1,057,372.58 × 444,108.62 - Step 4: Simplify right side
766,211.81x = 469,588,281,083.34 - Step 5: Solve for x
x = 469,588,281,083.34/766,211.81 - Step 6: Final answer
x = 612,870.07
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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.