Finding the Fourth Proportional to 747,510.26, 1,031,497.94 and 416,340.93
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Solution
The fourth proportional to 747,510.26, 1,031,497.94 and 416,340.93 is: 574,513.60
Step by Step Solution
- Step 1: Write the proportion equation
747,510.26 : 1,031,497.94 = 416,340.93 : x - Step 2: Convert to fraction form
747,510.26/1,031,497.94 = 416,340.93/x - Step 3: Cross multiply
747,510.26x = 1,031,497.94 × 416,340.93 - Step 4: Simplify right side
747,510.26x = 429,454,809,550.98 - Step 5: Solve for x
x = 429,454,809,550.98/747,510.26 - Step 6: Final answer
x = 574,513.60
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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.