Finding the Fourth Proportional to 741,865.08, 1,023,828.80 and 415,210.76
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Solution
The fourth proportional to 741,865.08, 1,023,828.80 and 415,210.76 is: 573,021.63
Step by Step Solution
- Step 1: Write the proportion equation
741,865.08 : 1,023,828.80 = 415,210.76 : x - Step 2: Convert to fraction form
741,865.08/1,023,828.80 = 415,210.76/x - Step 3: Cross multiply
741,865.08x = 1,023,828.80 × 415,210.76 - Step 4: Simplify right side
741,865.08x = 425,104,734,157.89 - Step 5: Solve for x
x = 425,104,734,157.89/741,865.08 - Step 6: Final answer
x = 573,021.63
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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.