Finding the Fourth Proportional to 761,544.99, 1,142,349.03 and 628,176.87
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Solution
The fourth proportional to 761,544.99, 1,142,349.03 and 628,176.87 is: 942,291.33
Step by Step Solution
- Step 1: Write the proportion equation
761,544.99 : 1,142,349.03 = 628,176.87 : x - Step 2: Convert to fraction form
761,544.99/1,142,349.03 = 628,176.87/x - Step 3: Cross multiply
761,544.99x = 1,142,349.03 × 628,176.87 - Step 4: Simplify right side
761,544.99x = 717,597,238,112.94 - Step 5: Solve for x
x = 717,597,238,112.94/761,544.99 - Step 6: Final answer
x = 942,291.33
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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.