Finding the Fourth Proportional to 691,831.80, 1,037,747.70 and 573,733.80
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Solution
The fourth proportional to 691,831.80, 1,037,747.70 and 573,733.80 is: 860,600.70
Step by Step Solution
- Step 1: Write the proportion equation
691,831.80 : 1,037,747.70 = 573,733.80 : x - Step 2: Convert to fraction form
691,831.80/1,037,747.70 = 573,733.80/x - Step 3: Cross multiply
691,831.80x = 1,037,747.70 × 573,733.80 - Step 4: Simplify right side
691,831.80x = 595,390,931,362.26 - Step 5: Solve for x
x = 595,390,931,362.26/691,831.80 - Step 6: Final answer
x = 860,600.70
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1.5x scale
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.