Finding the Fourth Proportional to 538,718.04, 743,397.18 and 296,988.12
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Solution
The fourth proportional to 538,718.04, 743,397.18 and 296,988.12 is: 409,825.02
Step by Step Solution
- Step 1: Write the proportion equation
538,718.04 : 743,397.18 = 296,988.12 : x - Step 2: Convert to fraction form
538,718.04/743,397.18 = 296,988.12/x - Step 3: Cross multiply
538,718.04x = 743,397.18 × 296,988.12 - Step 4: Simplify right side
538,718.04x = 220,780,130,901.50 - Step 5: Solve for x
x = 220,780,130,901.50/538,718.04 - Step 6: Final answer
x = 409,825.02
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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.