Finding the Fourth Proportional to 1,006,984.24, 1,389,638.64 and 554,272
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Solution
The fourth proportional to 1,006,984.24, 1,389,638.64 and 554,272 is: 764,895.57
Step by Step Solution
- Step 1: Write the proportion equation
1,006,984.24 : 1,389,638.64 = 554,272 : x - Step 2: Convert to fraction form
1,006,984.24/1,389,638.64 = 554,272/x - Step 3: Cross multiply
1,006,984.24x = 1,389,638.64 × 554,272 - Step 4: Simplify right side
1,006,984.24x = 770,237,788,270.08 - Step 5: Solve for x
x = 770,237,788,270.08/1,006,984.24 - Step 6: Final answer
x = 764,895.57
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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.