Finding the Fourth Proportional to 747,582.75, 1,121,363.55 and 348,000.03
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Solution
The fourth proportional to 747,582.75, 1,121,363.55 and 348,000.03 is: 521,995.12
Step by Step Solution
- Step 1: Write the proportion equation
747,582.75 : 1,121,363.55 = 348,000.03 : x - Step 2: Convert to fraction form
747,582.75/1,121,363.55 = 348,000.03/x - Step 3: Cross multiply
747,582.75x = 1,121,363.55 × 348,000.03 - Step 4: Simplify right side
747,582.75x = 390,234,549,040.91 - Step 5: Solve for x
x = 390,234,549,040.91/747,582.75 - Step 6: Final answer
x = 521,995.12
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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.