Finding the Fourth Proportional to 805,014.80, 1,207,675.28 and 272,392.82
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Solution
The fourth proportional to 805,014.80, 1,207,675.28 and 272,392.82 is: 408,641.02
Step by Step Solution
- Step 1: Write the proportion equation
805,014.80 : 1,207,675.28 = 272,392.82 : x - Step 2: Convert to fraction form
805,014.80/1,207,675.28 = 272,392.82/x - Step 3: Cross multiply
805,014.80x = 1,207,675.28 × 272,392.82 - Step 4: Simplify right side
805,014.80x = 328,962,069,125.11 - Step 5: Solve for x
x = 328,962,069,125.11/805,014.80 - Step 6: Final answer
x = 408,641.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.