Finding the Fourth Proportional to 817,841.02, 1,227,867.78 and 564,491.62
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Solution
The fourth proportional to 817,841.02, 1,227,867.78 and 564,491.62 is: 847,500.99
Step by Step Solution
- Step 1: Write the proportion equation
817,841.02 : 1,227,867.78 = 564,491.62 : x - Step 2: Convert to fraction form
817,841.02/1,227,867.78 = 564,491.62/x - Step 3: Cross multiply
817,841.02x = 1,227,867.78 × 564,491.62 - Step 4: Simplify right side
817,841.02x = 693,121,072,278.00 - Step 5: Solve for x
x = 693,121,072,278.00/817,841.02 - Step 6: Final answer
x = 847,500.99
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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.