Finding the Fourth Proportional to 941,903.01, 1,303,248.96 and 821,295.63
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Solution
The fourth proportional to 941,903.01, 1,303,248.96 and 821,295.63 is: 1,136,372.50
Step by Step Solution
- Step 1: Write the proportion equation
941,903.01 : 1,303,248.96 = 821,295.63 : x - Step 2: Convert to fraction form
941,903.01/1,303,248.96 = 821,295.63/x - Step 3: Cross multiply
941,903.01x = 1,303,248.96 × 821,295.63 - Step 4: Simplify right side
941,903.01x = 1,070,352,675,650.04 - Step 5: Solve for x
x = 1,070,352,675,650.04/941,903.01 - Step 6: Final answer
x = 1,136,372.50
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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.