Finding the Fourth Proportional to 880,316.98, 1,214,842.49 and 517,756.12
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Solution
The fourth proportional to 880,316.98, 1,214,842.49 and 517,756.12 is: 714,506.42
Step by Step Solution
- Step 1: Write the proportion equation
880,316.98 : 1,214,842.49 = 517,756.12 : x - Step 2: Convert to fraction form
880,316.98/1,214,842.49 = 517,756.12/x - Step 3: Cross multiply
880,316.98x = 1,214,842.49 × 517,756.12 - Step 4: Simplify right side
880,316.98x = 628,992,134,033.54 - Step 5: Solve for x
x = 628,992,134,033.54/880,316.98 - Step 6: Final answer
x = 714,506.42
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1.5x scale
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.