Finding the Fourth Proportional to 865,804.57, 1,194,801.91 and 483,831.65
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Solution
The fourth proportional to 865,804.57, 1,194,801.91 and 483,831.65 is: 667,682.99
Step by Step Solution
- Step 1: Write the proportion equation
865,804.57 : 1,194,801.91 = 483,831.65 : x - Step 2: Convert to fraction form
865,804.57/1,194,801.91 = 483,831.65/x - Step 3: Cross multiply
865,804.57x = 1,194,801.91 × 483,831.65 - Step 4: Simplify right side
865,804.57x = 578,082,981,315.88 - Step 5: Solve for x
x = 578,082,981,315.88/865,804.57 - Step 6: Final answer
x = 667,682.99
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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.