Finding the Fourth Proportional to 976,209.96, 1,347,197.76 and 546,487.68
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Solution
The fourth proportional to 976,209.96, 1,347,197.76 and 546,487.68 is: 754,168.68
Step by Step Solution
- Step 1: Write the proportion equation
976,209.96 : 1,347,197.76 = 546,487.68 : x - Step 2: Convert to fraction form
976,209.96/1,347,197.76 = 546,487.68/x - Step 3: Cross multiply
976,209.96x = 1,347,197.76 × 546,487.68 - Step 4: Simplify right side
976,209.96x = 736,226,978,363.60 - Step 5: Solve for x
x = 736,226,978,363.60/976,209.96 - Step 6: Final answer
x = 754,168.68
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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.