Finding the Fourth Proportional to 754,395.98, 1,041,034.74 and 427,730.96
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Solution
The fourth proportional to 754,395.98, 1,041,034.74 and 427,730.96 is: 590,250.74
Step by Step Solution
- Step 1: Write the proportion equation
754,395.98 : 1,041,034.74 = 427,730.96 : x - Step 2: Convert to fraction form
754,395.98/1,041,034.74 = 427,730.96/x - Step 3: Cross multiply
754,395.98x = 1,041,034.74 × 427,730.96 - Step 4: Simplify right side
754,395.98x = 445,282,788,733.55 - Step 5: Solve for x
x = 445,282,788,733.55/754,395.98 - Step 6: Final answer
x = 590,250.74
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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.