Finding the Fourth Proportional to 709,517.56, 1,063,352.20 and 288,301
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Solution
The fourth proportional to 709,517.56, 1,063,352.20 and 288,301 is: 432,075.99
Step by Step Solution
- Step 1: Write the proportion equation
709,517.56 : 1,063,352.20 = 288,301 : x - Step 2: Convert to fraction form
709,517.56/1,063,352.20 = 288,301/x - Step 3: Cross multiply
709,517.56x = 1,063,352.20 × 288,301 - Step 4: Simplify right side
709,517.56x = 306,565,502,612.20 - Step 5: Solve for x
x = 306,565,502,612.20/709,517.56 - Step 6: Final answer
x = 432,075.99
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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.