Finding the Fourth Proportional to 1,241,782.84, 1,862,622.42 and 355,318.84
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Solution
The fourth proportional to 1,241,782.84, 1,862,622.42 and 355,318.84 is: 532,963.43
Step by Step Solution
- Step 1: Write the proportion equation
1,241,782.84 : 1,862,622.42 = 355,318.84 : x - Step 2: Convert to fraction form
1,241,782.84/1,862,622.42 = 355,318.84/x - Step 3: Cross multiply
1,241,782.84x = 1,862,622.42 × 355,318.84 - Step 4: Simplify right side
1,241,782.84x = 661,824,837,632.39 - Step 5: Solve for x
x = 661,824,837,632.39/1,241,782.84 - Step 6: Final answer
x = 532,963.43
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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.