Finding the Fourth Proportional to 611,938.98, 918,090.99 and 292,330.26
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Solution
The fourth proportional to 611,938.98, 918,090.99 and 292,330.26 is: 438,582.58
Step by Step Solution
- Step 1: Write the proportion equation
611,938.98 : 918,090.99 = 292,330.26 : x - Step 2: Convert to fraction form
611,938.98/918,090.99 = 292,330.26/x - Step 3: Cross multiply
611,938.98x = 918,090.99 × 292,330.26 - Step 4: Simplify right side
611,938.98x = 268,385,777,810.36 - Step 5: Solve for x
x = 268,385,777,810.36/611,938.98 - Step 6: Final answer
x = 438,582.58
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1.5x scale
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.