Finding the Fourth Proportional to 884,309.16, 1,219,479.68 and 561,458.75
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Solution
The fourth proportional to 884,309.16, 1,219,479.68 and 561,458.75 is: 774,262.63
Step by Step Solution
- Step 1: Write the proportion equation
884,309.16 : 1,219,479.68 = 561,458.75 : x - Step 2: Convert to fraction form
884,309.16/1,219,479.68 = 561,458.75/x - Step 3: Cross multiply
884,309.16x = 1,219,479.68 × 561,458.75 - Step 4: Simplify right side
884,309.16x = 684,687,536,783.20 - Step 5: Solve for x
x = 684,687,536,783.20/884,309.16 - Step 6: Final answer
x = 774,262.63
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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.