Finding the Fourth Proportional to 651,490.80, 977,236.20 and 546,514.80
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Solution
The fourth proportional to 651,490.80, 977,236.20 and 546,514.80 is: 819,772.20
Step by Step Solution
- Step 1: Write the proportion equation
651,490.80 : 977,236.20 = 546,514.80 : x - Step 2: Convert to fraction form
651,490.80/977,236.20 = 546,514.80/x - Step 3: Cross multiply
651,490.80x = 977,236.20 × 546,514.80 - Step 4: Simplify right side
651,490.80x = 534,074,046,395.76 - Step 5: Solve for x
x = 534,074,046,395.76/651,490.80 - Step 6: Final answer
x = 819,772.20
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1.5x scale
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.