Finding the Fourth Proportional to 722,763.06, 997,386.12 and 416,852.26
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Solution
The fourth proportional to 722,763.06, 997,386.12 and 416,852.26 is: 575,240.60
Step by Step Solution
- Step 1: Write the proportion equation
722,763.06 : 997,386.12 = 416,852.26 : x - Step 2: Convert to fraction form
722,763.06/997,386.12 = 416,852.26/x - Step 3: Cross multiply
722,763.06x = 997,386.12 × 416,852.26 - Step 4: Simplify right side
722,763.06x = 415,762,658,214.63 - Step 5: Solve for x
x = 415,762,658,214.63/722,763.06 - Step 6: Final answer
x = 575,240.60
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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.