Finding the Fourth Proportional to 692,783.02, 1,038,367.77 and 293,291.02
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Solution
The fourth proportional to 692,783.02, 1,038,367.77 and 293,291.02 is: 439,594.99
Step by Step Solution
- Step 1: Write the proportion equation
692,783.02 : 1,038,367.77 = 293,291.02 : x - Step 2: Convert to fraction form
692,783.02/1,038,367.77 = 293,291.02/x - Step 3: Cross multiply
692,783.02x = 1,038,367.77 × 293,291.02 - Step 4: Simplify right side
692,783.02x = 304,543,942,398.43 - Step 5: Solve for x
x = 304,543,942,398.43/692,783.02 - Step 6: Final answer
x = 439,594.99
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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.