Finding the Fourth Proportional to 651,708.80, 977,125.80 and 314,910.80
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Solution
The fourth proportional to 651,708.80, 977,125.80 and 314,910.80 is: 472,154.84
Step by Step Solution
- Step 1: Write the proportion equation
651,708.80 : 977,125.80 = 314,910.80 : x - Step 2: Convert to fraction form
651,708.80/977,125.80 = 314,910.80/x - Step 3: Cross multiply
651,708.80x = 977,125.80 × 314,910.80 - Step 4: Simplify right side
651,708.80x = 307,707,467,378.64 - Step 5: Solve for x
x = 307,707,467,378.64/651,708.80 - Step 6: Final answer
x = 472,154.84
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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.