Finding the Fourth Proportional to 439,603.74, 606,678.74 and 246,009.81
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Solution
The fourth proportional to 439,603.74, 606,678.74 and 246,009.81 is: 339,507.85
Step by Step Solution
- Step 1: Write the proportion equation
439,603.74 : 606,678.74 = 246,009.81 : x - Step 2: Convert to fraction form
439,603.74/606,678.74 = 246,009.81/x - Step 3: Cross multiply
439,603.74x = 606,678.74 × 246,009.81 - Step 4: Simplify right side
439,603.74x = 149,248,921,558.44 - Step 5: Solve for x
x = 149,248,921,558.44/439,603.74 - Step 6: Final answer
x = 339,507.85
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1.5x scale
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.