Finding the Fourth Proportional to 1,005,939.95, 1,509,574.69 and 473,613.21
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Solution
The fourth proportional to 1,005,939.95, 1,509,574.69 and 473,613.21 is: 710,732.80
Step by Step Solution
- Step 1: Write the proportion equation
1,005,939.95 : 1,509,574.69 = 473,613.21 : x - Step 2: Convert to fraction form
1,005,939.95/1,509,574.69 = 473,613.21/x - Step 3: Cross multiply
1,005,939.95x = 1,509,574.69 × 473,613.21 - Step 4: Simplify right side
1,005,939.95x = 714,954,515,257.67 - Step 5: Solve for x
x = 714,954,515,257.67/1,005,939.95 - Step 6: Final answer
x = 710,732.80
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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.