Finding the Fourth Proportional to 605,115.69, 907,337.49 and 280,549.08
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Solution
The fourth proportional to 605,115.69, 907,337.49 and 280,549.08 is: 420,667.82
Step by Step Solution
- Step 1: Write the proportion equation
605,115.69 : 907,337.49 = 280,549.08 : x - Step 2: Convert to fraction form
605,115.69/907,337.49 = 280,549.08/x - Step 3: Cross multiply
605,115.69x = 907,337.49 × 280,549.08 - Step 4: Simplify right side
605,115.69x = 254,552,698,069.01 - Step 5: Solve for x
x = 254,552,698,069.01/605,115.69 - Step 6: Final answer
x = 420,667.82
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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.