Finding the Fourth Proportional to 1,038,340.80, 1,558,207.80 and 364,420.80
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Solution
The fourth proportional to 1,038,340.80, 1,558,207.80 and 364,420.80 is: 546,875.68
Step by Step Solution
- Step 1: Write the proportion equation
1,038,340.80 : 1,558,207.80 = 364,420.80 : x - Step 2: Convert to fraction form
1,038,340.80/1,558,207.80 = 364,420.80/x - Step 3: Cross multiply
1,038,340.80x = 1,558,207.80 × 364,420.80 - Step 4: Simplify right side
1,038,340.80x = 567,843,333,042.24 - Step 5: Solve for x
x = 567,843,333,042.24/1,038,340.80 - Step 6: Final answer
x = 546,875.68
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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.