Finding the Fourth Proportional to 873,753.48, 1,311,101.06 and 368,664.53
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Solution
The fourth proportional to 873,753.48, 1,311,101.06 and 368,664.53 is: 553,195.45
Step by Step Solution
- Step 1: Write the proportion equation
873,753.48 : 1,311,101.06 = 368,664.53 : x - Step 2: Convert to fraction form
873,753.48/1,311,101.06 = 368,664.53/x - Step 3: Cross multiply
873,753.48x = 1,311,101.06 × 368,664.53 - Step 4: Simplify right side
873,753.48x = 483,356,447,668.57 - Step 5: Solve for x
x = 483,356,447,668.57/873,753.48 - Step 6: Final answer
x = 553,195.45
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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.