Finding the Fourth Proportional to 905,583.87, 1,249,735.70 and 497,700.17
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Solution
The fourth proportional to 905,583.87, 1,249,735.70 and 497,700.17 is: 686,842.70
Step by Step Solution
- Step 1: Write the proportion equation
905,583.87 : 1,249,735.70 = 497,700.17 : x - Step 2: Convert to fraction form
905,583.87/1,249,735.70 = 497,700.17/x - Step 3: Cross multiply
905,583.87x = 1,249,735.70 × 497,700.17 - Step 4: Simplify right side
905,583.87x = 621,993,670,027.15 - Step 5: Solve for x
x = 621,993,670,027.15/905,583.87 - Step 6: Final answer
x = 686,842.70
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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.