Finding the Fourth Proportional to 620,905.13, 930,578.58 and 265,501.23
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Solution
The fourth proportional to 620,905.13, 930,578.58 and 265,501.23 is: 397,918.69
Step by Step Solution
- Step 1: Write the proportion equation
620,905.13 : 930,578.58 = 265,501.23 : x - Step 2: Convert to fraction form
620,905.13/930,578.58 = 265,501.23/x - Step 3: Cross multiply
620,905.13x = 930,578.58 × 265,501.23 - Step 4: Simplify right side
620,905.13x = 247,069,756,937.90 - Step 5: Solve for x
x = 247,069,756,937.90/620,905.13 - Step 6: Final answer
x = 397,918.69
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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.