Finding the Fourth Proportional to 828,658.80, 1,163,271.60 and 828,658.80
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Solution
The fourth proportional to 828,658.80, 1,163,271.60 and 828,658.80 is: 1,163,271.60
Step by Step Solution
- Step 1: Write the proportion equation
828,658.80 : 1,163,271.60 = 828,658.80 : x - Step 2: Convert to fraction form
828,658.80/1,163,271.60 = 828,658.80/x - Step 3: Cross multiply
828,658.80x = 1,163,271.60 × 828,658.80 - Step 4: Simplify right side
828,658.80x = 963,955,248,130.08 - Step 5: Solve for x
x = 963,955,248,130.08/828,658.80 - Step 6: Final answer
x = 1,163,271.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.