Finding the Fourth Proportional to 559,220.20, 838,239.54 and 401,363.08
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Solution
The fourth proportional to 559,220.20, 838,239.54 and 401,363.08 is: 601,620.62
Step by Step Solution
- Step 1: Write the proportion equation
559,220.20 : 838,239.54 = 401,363.08 : x - Step 2: Convert to fraction form
559,220.20/838,239.54 = 401,363.08/x - Step 3: Cross multiply
559,220.20x = 838,239.54 × 401,363.08 - Step 4: Simplify right side
559,220.20x = 336,438,403,552.18 - Step 5: Solve for x
x = 336,438,403,552.18/559,220.20 - Step 6: Final answer
x = 601,620.62
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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.