Finding the Fourth Proportional to 880,885.98, 1,321,328.49 and 249,805.02
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Solution
The fourth proportional to 880,885.98, 1,321,328.49 and 249,805.02 is: 374,707.39
Step by Step Solution
- Step 1: Write the proportion equation
880,885.98 : 1,321,328.49 = 249,805.02 : x - Step 2: Convert to fraction form
880,885.98/1,321,328.49 = 249,805.02/x - Step 3: Cross multiply
880,885.98x = 1,321,328.49 × 249,805.02 - Step 4: Simplify right side
880,885.98x = 330,074,489,871.02 - Step 5: Solve for x
x = 330,074,489,871.02/880,885.98 - Step 6: Final answer
x = 374,707.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.