Finding the Fourth Proportional to 948,984.71, 1,423,476.99 and 475,559.28
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Solution
The fourth proportional to 948,984.71, 1,423,476.99 and 475,559.28 is: 713,338.89
Step by Step Solution
- Step 1: Write the proportion equation
948,984.71 : 1,423,476.99 = 475,559.28 : x - Step 2: Convert to fraction form
948,984.71/1,423,476.99 = 475,559.28/x - Step 3: Cross multiply
948,984.71x = 1,423,476.99 × 475,559.28 - Step 4: Simplify right side
948,984.71x = 676,947,692,460.97 - Step 5: Solve for x
x = 676,947,692,460.97/948,984.71 - Step 6: Final answer
x = 713,338.89
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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.