Finding the Fourth Proportional to 722,697.12, 997,461.72 and 416,971.08
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Solution
The fourth proportional to 722,697.12, 997,461.72 and 416,971.08 is: 575,500.69
Step by Step Solution
- Step 1: Write the proportion equation
722,697.12 : 997,461.72 = 416,971.08 : x - Step 2: Convert to fraction form
722,697.12/997,461.72 = 416,971.08/x - Step 3: Cross multiply
722,697.12x = 997,461.72 × 416,971.08 - Step 4: Simplify right side
722,697.12x = 415,912,690,647.06 - Step 5: Solve for x
x = 415,912,690,647.06/722,697.12 - Step 6: Final answer
x = 575,500.69
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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.