Finding the Fourth Proportional to 722,670.68, 997,259.06 and 416,759.96
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Solution
The fourth proportional to 722,670.68, 997,259.06 and 416,759.96 is: 575,113.47
Step by Step Solution
- Step 1: Write the proportion equation
722,670.68 : 997,259.06 = 416,759.96 : x - Step 2: Convert to fraction form
722,670.68/997,259.06 = 416,759.96/x - Step 3: Cross multiply
722,670.68x = 997,259.06 × 416,759.96 - Step 4: Simplify right side
722,670.68x = 415,617,645,955.24 - Step 5: Solve for x
x = 415,617,645,955.24/722,670.68 - Step 6: Final answer
x = 575,113.47
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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.