Finding the Fourth Proportional to 939,253.99, 1,408,939.61 and 265,387.05
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Solution
The fourth proportional to 939,253.99, 1,408,939.61 and 265,387.05 is: 398,097.14
Step by Step Solution
- Step 1: Write the proportion equation
939,253.99 : 1,408,939.61 = 265,387.05 : x - Step 2: Convert to fraction form
939,253.99/1,408,939.61 = 265,387.05/x - Step 3: Cross multiply
939,253.99x = 1,408,939.61 × 265,387.05 - Step 4: Simplify right side
939,253.99x = 373,914,326,726.05 - Step 5: Solve for x
x = 373,914,326,726.05/939,253.99 - Step 6: Final answer
x = 398,097.14
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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.