Finding the Fourth Proportional to 709,919.46, 1,064,247.75 and 260,537.49
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Solution
The fourth proportional to 709,919.46, 1,064,247.75 and 260,537.49 is: 390,574.50
Step by Step Solution
- Step 1: Write the proportion equation
709,919.46 : 1,064,247.75 = 260,537.49 : x - Step 2: Convert to fraction form
709,919.46/1,064,247.75 = 260,537.49/x - Step 3: Cross multiply
709,919.46x = 1,064,247.75 × 260,537.49 - Step 4: Simplify right side
709,919.46x = 277,276,437,523.15 - Step 5: Solve for x
x = 277,276,437,523.15/709,919.46 - Step 6: Final answer
x = 390,574.50
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1.5x scale
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.