Finding the Fourth Proportional to 559,621.12, 772,254.66 and 304,966.84
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Solution
The fourth proportional to 559,621.12, 772,254.66 and 304,966.84 is: 420,841.99
Step by Step Solution
- Step 1: Write the proportion equation
559,621.12 : 772,254.66 = 304,966.84 : x - Step 2: Convert to fraction form
559,621.12/772,254.66 = 304,966.84/x - Step 3: Cross multiply
559,621.12x = 772,254.66 × 304,966.84 - Step 4: Simplify right side
559,621.12x = 235,512,063,335.47 - Step 5: Solve for x
x = 235,512,063,335.47/559,621.12 - Step 6: Final answer
x = 420,841.99
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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.