Finding the Fourth Proportional to 581,851.74, 870,910.74 and 311,303.07
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Solution
The fourth proportional to 581,851.74, 870,910.74 and 311,303.07 is: 465,955.79
Step by Step Solution
- Step 1: Write the proportion equation
581,851.74 : 870,910.74 = 311,303.07 : x - Step 2: Convert to fraction form
581,851.74/870,910.74 = 311,303.07/x - Step 3: Cross multiply
581,851.74x = 870,910.74 × 311,303.07 - Step 4: Simplify right side
581,851.74x = 271,117,187,057.97 - Step 5: Solve for x
x = 271,117,187,057.97/581,851.74 - Step 6: Final answer
x = 465,955.79
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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.