Finding the Fourth Proportional to 1,130,831.80, 1,696,247.70 and 382,877.80
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Solution
The fourth proportional to 1,130,831.80, 1,696,247.70 and 382,877.80 is: 574,316.70
Step by Step Solution
- Step 1: Write the proportion equation
1,130,831.80 : 1,696,247.70 = 382,877.80 : x - Step 2: Convert to fraction form
1,130,831.80/1,696,247.70 = 382,877.80/x - Step 3: Cross multiply
1,130,831.80x = 1,696,247.70 × 382,877.80 - Step 4: Simplify right side
1,130,831.80x = 649,455,587,631.06 - Step 5: Solve for x
x = 649,455,587,631.06/1,130,831.80 - Step 6: Final answer
x = 574,316.70
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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.