Finding the Fourth Proportional to 873,754.48, 1,311,102.56 and 368,665.53
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Solution
The fourth proportional to 873,754.48, 1,311,102.56 and 368,665.53 is: 553,196.96
Step by Step Solution
- Step 1: Write the proportion equation
873,754.48 : 1,311,102.56 = 368,665.53 : x - Step 2: Convert to fraction form
873,754.48/1,311,102.56 = 368,665.53/x - Step 3: Cross multiply
873,754.48x = 1,311,102.56 × 368,665.53 - Step 4: Simplify right side
873,754.48x = 483,358,320,166.76 - Step 5: Solve for x
x = 483,358,320,166.76/873,754.48 - Step 6: Final answer
x = 553,196.96
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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.