Finding the Fourth Proportional to 761,574.26, 1,051,088.27 and 486,050.99
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Solution
The fourth proportional to 761,574.26, 1,051,088.27 and 486,050.99 is: 670,824.27
Step by Step Solution
- Step 1: Write the proportion equation
761,574.26 : 1,051,088.27 = 486,050.99 : x - Step 2: Convert to fraction form
761,574.26/1,051,088.27 = 486,050.99/x - Step 3: Cross multiply
761,574.26x = 1,051,088.27 × 486,050.99 - Step 4: Simplify right side
761,574.26x = 510,882,494,210.89 - Step 5: Solve for x
x = 510,882,494,210.89/761,574.26 - Step 6: Final answer
x = 670,824.27
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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.