Finding the Fourth Proportional to 847,014.88, 1,270,252.56 and 278,263.96
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Solution
The fourth proportional to 847,014.88, 1,270,252.56 and 278,263.96 is: 417,307.32
Step by Step Solution
- Step 1: Write the proportion equation
847,014.88 : 1,270,252.56 = 278,263.96 : x - Step 2: Convert to fraction form
847,014.88/1,270,252.56 = 278,263.96/x - Step 3: Cross multiply
847,014.88x = 1,270,252.56 × 278,263.96 - Step 4: Simplify right side
847,014.88x = 353,465,507,545.74 - Step 5: Solve for x
x = 353,465,507,545.74/847,014.88 - Step 6: Final answer
x = 417,307.32
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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.