Finding the Fourth Proportional to 779,006.24, 1,075,207.92 and 456,820.12
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Solution
The fourth proportional to 779,006.24, 1,075,207.92 and 456,820.12 is: 630,516.91
Step by Step Solution
- Step 1: Write the proportion equation
779,006.24 : 1,075,207.92 = 456,820.12 : x - Step 2: Convert to fraction form
779,006.24/1,075,207.92 = 456,820.12/x - Step 3: Cross multiply
779,006.24x = 1,075,207.92 × 456,820.12 - Step 4: Simplify right side
779,006.24x = 491,176,611,039.35 - Step 5: Solve for x
x = 491,176,611,039.35/779,006.24 - Step 6: Final answer
x = 630,516.91
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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.