Finding the Fourth Proportional to 974,008.26, 1,344,111.53 and 538,443.99
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Solution
The fourth proportional to 974,008.26, 1,344,111.53 and 538,443.99 is: 743,041.72
Step by Step Solution
- Step 1: Write the proportion equation
974,008.26 : 1,344,111.53 = 538,443.99 : x - Step 2: Convert to fraction form
974,008.26/1,344,111.53 = 538,443.99/x - Step 3: Cross multiply
974,008.26x = 1,344,111.53 × 538,443.99 - Step 4: Simplify right side
974,008.26x = 723,728,772,525.99 - Step 5: Solve for x
x = 723,728,772,525.99/974,008.26 - Step 6: Final answer
x = 743,041.72
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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.