Finding the Fourth Proportional to 823,930.70, 1,234,513.65 and 402,298.70
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Solution
The fourth proportional to 823,930.70, 1,234,513.65 and 402,298.70 is: 602,773.07
Step by Step Solution
- Step 1: Write the proportion equation
823,930.70 : 1,234,513.65 = 402,298.70 : x - Step 2: Convert to fraction form
823,930.70/1,234,513.65 = 402,298.70/x - Step 3: Cross multiply
823,930.70x = 1,234,513.65 × 402,298.70 - Step 4: Simplify right side
823,930.70x = 496,643,236,527.26 - Step 5: Solve for x
x = 496,643,236,527.26/823,930.70 - Step 6: Final answer
x = 602,773.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.