Finding the Fourth Proportional to 884,306.24, 1,219,475.68 and 561,455.84
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Solution
The fourth proportional to 884,306.24, 1,219,475.68 and 561,455.84 is: 774,258.63
Step by Step Solution
- Step 1: Write the proportion equation
884,306.24 : 1,219,475.68 = 561,455.84 : x - Step 2: Convert to fraction form
884,306.24/1,219,475.68 = 561,455.84/x - Step 3: Cross multiply
884,306.24x = 1,219,475.68 × 561,455.84 - Step 4: Simplify right side
884,306.24x = 684,681,738,638.57 - Step 5: Solve for x
x = 684,681,738,638.57/884,306.24 - Step 6: Final answer
x = 774,258.63
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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.