Finding the Fourth Proportional to 561,935.80, 842,903.70 and 548,813.80
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Solution
The fourth proportional to 561,935.80, 842,903.70 and 548,813.80 is: 823,220.70
Step by Step Solution
- Step 1: Write the proportion equation
561,935.80 : 842,903.70 = 548,813.80 : x - Step 2: Convert to fraction form
561,935.80/842,903.70 = 548,813.80/x - Step 3: Cross multiply
561,935.80x = 842,903.70 × 548,813.80 - Step 4: Simplify right side
561,935.80x = 462,597,182,631.06 - Step 5: Solve for x
x = 462,597,182,631.06/561,935.80 - Step 6: Final answer
x = 823,220.70
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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.