Finding the Fourth Proportional to 761,229.99, 1,050,448.14 and 417,065.44
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Solution
The fourth proportional to 761,229.99, 1,050,448.14 and 417,065.44 is: 575,523.33
Step by Step Solution
- Step 1: Write the proportion equation
761,229.99 : 1,050,448.14 = 417,065.44 : x - Step 2: Convert to fraction form
761,229.99/1,050,448.14 = 417,065.44/x - Step 3: Cross multiply
761,229.99x = 1,050,448.14 × 417,065.44 - Step 4: Simplify right side
761,229.99x = 438,105,615,706.28 - Step 5: Solve for x
x = 438,105,615,706.28/761,229.99 - Step 6: Final answer
x = 575,523.33
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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.