Finding the Fourth Proportional to 695,523.80, 1,043,285.70 and 577,425.80
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Solution
The fourth proportional to 695,523.80, 1,043,285.70 and 577,425.80 is: 866,138.70
Step by Step Solution
- Step 1: Write the proportion equation
695,523.80 : 1,043,285.70 = 577,425.80 : x - Step 2: Convert to fraction form
695,523.80/1,043,285.70 = 577,425.80/x - Step 3: Cross multiply
695,523.80x = 1,043,285.70 × 577,425.80 - Step 4: Simplify right side
695,523.80x = 602,420,079,951.06 - Step 5: Solve for x
x = 602,420,079,951.06/695,523.80 - Step 6: Final answer
x = 866,138.70
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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.