Finding the Fourth Proportional to 1,037,316.42, 1,555,600.55 and 438,324
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Solution
The fourth proportional to 1,037,316.42, 1,555,600.55 and 438,324 is: 657,327.93
Step by Step Solution
- Step 1: Write the proportion equation
1,037,316.42 : 1,555,600.55 = 438,324 : x - Step 2: Convert to fraction form
1,037,316.42/1,555,600.55 = 438,324/x - Step 3: Cross multiply
1,037,316.42x = 1,555,600.55 × 438,324 - Step 4: Simplify right side
1,037,316.42x = 681,857,055,478.20 - Step 5: Solve for x
x = 681,857,055,478.20/1,037,316.42 - Step 6: Final answer
x = 657,327.93
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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.