Finding the Fourth Proportional to 723,907.53, 999,039.62 and 417,996.79
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Solution
The fourth proportional to 723,907.53, 999,039.62 and 417,996.79 is: 576,862.84
Step by Step Solution
- Step 1: Write the proportion equation
723,907.53 : 999,039.62 = 417,996.79 : x - Step 2: Convert to fraction form
723,907.53/999,039.62 = 417,996.79/x - Step 3: Cross multiply
723,907.53x = 999,039.62 × 417,996.79 - Step 4: Simplify right side
723,907.53x = 417,595,352,790.21 - Step 5: Solve for x
x = 417,595,352,790.21/723,907.53 - Step 6: Final answer
x = 576,862.84
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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.