Finding the Fourth Proportional to 954,777.90, 1,317,220.58 and 546,661.62
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Solution
The fourth proportional to 954,777.90, 1,317,220.58 and 546,661.62 is: 754,179.52
Step by Step Solution
- Step 1: Write the proportion equation
954,777.90 : 1,317,220.58 = 546,661.62 : x - Step 2: Convert to fraction form
954,777.90/1,317,220.58 = 546,661.62/x - Step 3: Cross multiply
954,777.90x = 1,317,220.58 × 546,661.62 - Step 4: Simplify right side
954,777.90x = 720,073,936,160.14 - Step 5: Solve for x
x = 720,073,936,160.14/954,777.90 - Step 6: Final answer
x = 754,179.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.