Finding the Fourth Proportional to 576,315.78, 795,283.43 and 321,683.37
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Solution
The fourth proportional to 576,315.78, 795,283.43 and 321,683.37 is: 443,904.99
Step by Step Solution
- Step 1: Write the proportion equation
576,315.78 : 795,283.43 = 321,683.37 : x - Step 2: Convert to fraction form
576,315.78/795,283.43 = 321,683.37/x - Step 3: Cross multiply
576,315.78x = 795,283.43 × 321,683.37 - Step 4: Simplify right side
576,315.78x = 255,829,452,259.14 - Step 5: Solve for x
x = 255,829,452,259.14/576,315.78 - Step 6: Final answer
x = 443,904.99
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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.