Finding the Fourth Proportional to 770,823.80, 1,156,235.70 and 735,831.80
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Solution
The fourth proportional to 770,823.80, 1,156,235.70 and 735,831.80 is: 1,103,747.70
Step by Step Solution
- Step 1: Write the proportion equation
770,823.80 : 1,156,235.70 = 735,831.80 : x - Step 2: Convert to fraction form
770,823.80/1,156,235.70 = 735,831.80/x - Step 3: Cross multiply
770,823.80x = 1,156,235.70 × 735,831.80 - Step 4: Simplify right side
770,823.80x = 850,794,996,355.26 - Step 5: Solve for x
x = 850,794,996,355.26/770,823.80 - Step 6: Final answer
x = 1,103,747.70
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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.