Finding the Fourth Proportional to 562,030.10, 775,726.09 and 387,844.78
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Solution
The fourth proportional to 562,030.10, 775,726.09 and 387,844.78 is: 535,311.75
Step by Step Solution
- Step 1: Write the proportion equation
562,030.10 : 775,726.09 = 387,844.78 : x - Step 2: Convert to fraction form
562,030.10/775,726.09 = 387,844.78/x - Step 3: Cross multiply
562,030.10x = 775,726.09 × 387,844.78 - Step 4: Simplify right side
562,030.10x = 300,861,314,716.31 - Step 5: Solve for x
x = 300,861,314,716.31/562,030.10 - Step 6: Final answer
x = 535,311.75
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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.