Finding the Fourth Proportional to 532,479.78, 734,851.98 and 290,784.84
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Solution
The fourth proportional to 532,479.78, 734,851.98 and 290,784.84 is: 401,299.40
Step by Step Solution
- Step 1: Write the proportion equation
532,479.78 : 734,851.98 = 290,784.84 : x - Step 2: Convert to fraction form
532,479.78/734,851.98 = 290,784.84/x - Step 3: Cross multiply
532,479.78x = 734,851.98 × 290,784.84 - Step 4: Simplify right side
532,479.78x = 213,683,815,427.98 - Step 5: Solve for x
x = 213,683,815,427.98/532,479.78 - Step 6: Final answer
x = 401,299.40
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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.