Finding the Fourth Proportional to 538,209.57, 743,484.65 and 509,866.05
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Solution
The fourth proportional to 538,209.57, 743,484.65 and 509,866.05 is: 704,330.80
Step by Step Solution
- Step 1: Write the proportion equation
538,209.57 : 743,484.65 = 509,866.05 : x - Step 2: Convert to fraction form
538,209.57/743,484.65 = 509,866.05/x - Step 3: Cross multiply
538,209.57x = 743,484.65 × 509,866.05 - Step 4: Simplify right side
538,209.57x = 379,077,579,181.80 - Step 5: Solve for x
x = 379,077,579,181.80/538,209.57 - Step 6: Final answer
x = 704,330.80
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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.