Finding the Fourth Proportional to 540,462.18, 745,911.93 and 311,014.74
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Solution
The fourth proportional to 540,462.18, 745,911.93 and 311,014.74 is: 429,243.00
Step by Step Solution
- Step 1: Write the proportion equation
540,462.18 : 745,911.93 = 311,014.74 : x - Step 2: Convert to fraction form
540,462.18/745,911.93 = 311,014.74/x - Step 3: Cross multiply
540,462.18x = 745,911.93 × 311,014.74 - Step 4: Simplify right side
540,462.18x = 231,989,604,971.85 - Step 5: Solve for x
x = 231,989,604,971.85/540,462.18 - Step 6: Final answer
x = 429,243.00
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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.