Finding the Fourth Proportional to 1,560,554.10, 2,340,831.15 and 495,703.80
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Solution
The fourth proportional to 1,560,554.10, 2,340,831.15 and 495,703.80 is: 743,555.70
Step by Step Solution
- Step 1: Write the proportion equation
1,560,554.10 : 2,340,831.15 = 495,703.80 : x - Step 2: Convert to fraction form
1,560,554.10/2,340,831.15 = 495,703.80/x - Step 3: Cross multiply
1,560,554.10x = 2,340,831.15 × 495,703.80 - Step 4: Simplify right side
1,560,554.10x = 1,160,358,896,213.37 - Step 5: Solve for x
x = 1,160,358,896,213.37/1,560,554.10 - Step 6: Final answer
x = 743,555.70
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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.