Finding the Fourth Proportional to 722,649.24, 997,395.48 and 416,923.08
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Solution
The fourth proportional to 722,649.24, 997,395.48 and 416,923.08 is: 575,434.35
Step by Step Solution
- Step 1: Write the proportion equation
722,649.24 : 997,395.48 = 416,923.08 : x - Step 2: Convert to fraction form
722,649.24/997,395.48 = 416,923.08/x - Step 3: Cross multiply
722,649.24x = 997,395.48 × 416,923.08 - Step 4: Simplify right side
722,649.24x = 415,837,195,499.68 - Step 5: Solve for x
x = 415,837,195,499.68/722,649.24 - Step 6: Final answer
x = 575,434.35
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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.