Finding the Fourth Proportional to 722,760.68, 1,084,125.34 and 249,430.12
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Solution
The fourth proportional to 722,760.68, 1,084,125.34 and 249,430.12 is: 374,139.77
Step by Step Solution
- Step 1: Write the proportion equation
722,760.68 : 1,084,125.34 = 249,430.12 : x - Step 2: Convert to fraction form
722,760.68/1,084,125.34 = 249,430.12/x - Step 3: Cross multiply
722,760.68x = 1,084,125.34 × 249,430.12 - Step 4: Simplify right side
722,760.68x = 270,413,513,651.24 - Step 5: Solve for x
x = 270,413,513,651.24/722,760.68 - Step 6: Final answer
x = 374,139.77
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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.